Ask HN: What are some “10x” software product innovations you have experienced?

441 points by pramodbiligiri ↗ HN
Peter Thiel has written about the "10x rule" for startups, where your innovation has to be 10 times better than the second best option [1].

Have you personally experienced such 10x improvements in your own interactions with software? What were they?

[1] - https://thenextweb.com/entrepreneur/2015/07/13/the-10x-rule-for-great-startup-ideas/

817 comments

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I can go with a couple of my own experiences:

1. Ride hailing apps like Uber, Lyft

2. Wix.com and similar website builders

> Wix.com and similar website builders

I understand this in the sense of a website builder that gives endusers a way to build a websites - but wix.com is a world of pain.

It tries to lock you in (no way that I have found to add javascript without using their online IDE), the output is really inefficient and buggy (how on earth did they manage to duplicate one of my menu entries?) and their online editor leaks so much memory that Chrome consistently crashes after a while when I try to use it.

I mean wordpress has so many annoyances - but compared to wix it's not nearly as nerve wrecking.

Yes, the thing in iOS that automatically clips SMS verification codes sent to you. It saves me from going to my messages and finding the code.
Sorry, but that one is 4x at best.
4x? 1x at best - saves my brain from memorizing a small thing very infrequently. Might be detrimental to my brain over the long run.:)
Ha yes, my point was just that it is hard to quantify most of these and that 10x ends up meaning so awesome you buy it, which is almost a tautology.

(Thiel actually quantifies it in the examples he offers in the original text, if I remember correctly)

When I took driver's ed many years ago, the official state written material had it as fact that highway driving is "3 times easier" than city driving. It was actually on my written test. Multiple choice, and the other answers were different numbers to chose from... but no: "3 times" is the correct answer.
Maybe if you're only counting brain cycles saved, but brain cycles of pure joy and amazement are worth more than ones spent doing pointless tasks.
Yeah, this was phenomenal the first time I experienced it. I wish it also came with a "don't use SMS for 2-factor authentication" warning though. ;)
What 2FA method is preferred instead of SMS these days?
TOTP, I guess.
Hardware keys. If you can't use those, HOTP (push notification-based - OTP with an HMAC and a counter).
Users aren’t always in control of that though.
It was both magical and instantly obvious, the best kind of change.
Yes but not being able to copy and paste the code in iMessage by right clicking on it if you're on MacOS reverts this back to 1x. In MacOS right clicking on any word shows the copy menu with that word selected but in iMessage for some the entire message gets selected. You first need to highlight the word you're interested in before right clicking, major pain.
I take this one for granted. I can't wait until they add the same thing for emails.
Android apps did this first, but by having an all-or-nothing permission to read your texts. Making it part of the keyboard under user control was so much nicer.
Not sure if this is the kind of thing you had in mind, but...

`clang-format` saves a non-trivial chunk of time during code reviews, eliding a very banal topic.

I'm not sure if it's a 10x improvement, but formatters and linters have definitely cut my time writing code by 50% in stupid bugs and time wasted moving parenthesis.

And enforcing those formatters and linters cuts the time I spend reviewing other people's code by at least 50% because I know those issues have been dealt with.

- Internet

- fibre

- email

- Smartphones

- gpus

- starlink will be one

More personal:

- language servers/linters

- Package Management

- a mouse

- dictation

Great list. I agree with pretty much all of them but I'd also add the following to my list:

- Multi-Core CPUs which enabled switching between applications pretty much instantly.

- Solid State Storage

Solid State was the last great change to our personnel hardware, computers went from meh to awesome in a flash
mtailor and their fancy body measurement algorithm.
Storage combinators [1] Which are my own, so shameless plug, I guess. When I wrote the paper, I asked colleagues if they could say something about the productivity increase. They wrote back that it was a 2x improvement, which I put in the paper. When I bumped into them at a meet-up, they confided it was actually more like 10x, but they didn't say that because they felt it sounded unrealistic.

¯\_(ツ)_/¯

[1] http://objective.st/Publications/

PHP Inspections (EA Extended)[1] by Vladimir Reznichenko, a PHP language static analysis plugin for PHPStorm / JetBrains. I've coded in PHP for many years now, but there are many helpful reminders and checks that come standard with it. Some of the small performance quirks are game changers in long running processes, or intensive methods.

[1]: https://github.com/kalessil/phpinspectionsea

Darkmode for the web.
How exactly did that improve your life by 10x ?
My customers need it :) So my customers' satisfation improved by 10x
I think clipboard managers (like flycut for mac) are under rated. I regularly use the last 3-5 clips.

Heck, it'd be great if clipboard history was baked into the OS.

It is on windows. I use win+v all the time.
Whoa, mind blown thanks for the tip
Pastebot is pretty good too. I use its sequential paste queue many times a day.
Banking apps(avoid going to bank to deposit check, or going to post office to pay bills) Podcasts (alternative is reading a blog) Airbnb (alternative is hotel or possibly a BnB)
To my chagrin:

1) Robinhood for normal stocks

2) Disney+ vs AmazonPrime/Netflix

-> HDR for no additional fee, remastered exclusive content, a very full non region-locked (AFAIK) library, consistent streaming quality, straight-to-VOD shows, and premium movies.

->Some might argue not 10x, I can be convinced to agree. It's a solid 1.5x at a minimum though.

3) AWS Workspaces vs RDP

-> Ease of use out of the box is just unparalleled.

> HDR for no additional fee

The first thing I turn off when I get a new TV is motion smoothing. The second thing is HDR.

Why?
Most mid-to-cheap end "HDR" TVs look absolutely awful on HDR. The colours are washed out and the contrast is blown out. If your device sends an HDR signal, in many cases it'll look worse than not having HDR at all.
I completely agree. I was an early adopter of a Sony HDR10 set and am pretty worse off for it. Genuinely curious though as to what you consider a good HDR tv though.
The only way HDR looks good is on an OLED screen with perfect black levels, in my opinion.

When the entire screen can be pitch black, and a single pixel can be fully lit up, that's when HDR really shines.

All of the LED/LCD HDR solutions look like shit, in my opinion. Even the screens touting a hundred different lighting zones. Nothing compares to OLED.

OLED is about double the price, but IMO, it's worth it.

Being able to have TRUE blacks with no light bleed anywhere is amazing. Yeah, you've got TVs with a hundred zones as you said, but that just means you get blocks of grey when there's something on top of true black. Depending on the scene, that compromise can look even worse than just allowing all the black to be grey from the backlight.

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Gmail.

Using web-based email clients was a nightmare before Gmail. They had limited storage space, and the UX was pretty bad, they were hard to search, etc. You spent all your time figuring out what you wanted to delete, or seeing your emails bounce when people had full inboxes. If you didn't log in for a while, your account would disappear.

And then suddenly, you got a GB of storage. For free. No questions asked. And its UI was simple and easy-to-use. And you could search it.

A lot of other products are 10x better in individual areas. For instance, Google Sheets was much more portable/shareable than Excel when it launched. But even today there's no comparison, Excel is superior for actual spreadsheet functionality. But Gmail was better on every axis, even against local clients like Thunderbird and Outlook.

> or seeing your emails bounce when people had full inboxes.

For those who don't remember: That was around the time when Yahoo offered 6MB, some others only 2MB.

Found this CNET article: https://www.cnet.com/news/google-to-offer-gigabyte-of-free-e...

They say 2 MB Hotmail, 4 MB Yahoo. Gmail went straight to a gigabyte.

Today a single email without attachments can get close to those numbers!
How many emails was that back then?
Seems ancient at this point, but a total game changer at the time. I can actually recall getting my invite in 2006.
I bought invites on eBay for myself and a few family members. Maybe $5 each. Although I thought it was closer to 2004.
Agreed. Too bad it seems that email's best days are over now, as email nowadays is mostly for notifications.
>Too bad it seems that email's best days are over now, as email nowadays is mostly for notifications.

Email is still heavily used for business-to-business communication between humans. Talking about business matters is still more natural via email until the participants know each other well enough to switch to texting.

But yes, for personal communication, friends & family have shifted from email to phone texts. E.g. my friend who graduated from college in 1990s used to communicate with his parents with 100% email but now it's 100% text messaging. Email is too much friction for personal comms.

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"Notifications" is being generous here. The average user's email inbox is 90% marketing spam.
Any sources on that? I’m guessing the 90% is hyperbole, but I still wonder how much spam the average user actually gets. (For me, close to absolute zero)
Pretty much every company/service out there opts you into spam unless you proactively opt-out of it (which takes effort and knowledge to work around the dark patterns).

Looking at my password manager I've got ~260 logins right now and keep in mind that I don't do social media and try to avoid creating accounts as much as possible (and delete the ones I don't use for a long time), so the average user is likely to have a lot more accounts.

Even if each one of these companies only spammed once a week (most will do more frequently if you let them), that'll already significantly outnumber the amount of legitimate e-mail I receive.

It has taken me over a year to wrangle my inbox into shape (unsubscribing from all marketing email that isn't spam/gets through google's spam filter) and I would say anecdotally that my incoming email has decreased by at least 90%. I go multiple days without receiving emails now.
Was Gmail really 10x better than Hotmail?
Gmail was 100x Hotmail, if not even more than that. I think anybody who was on Yahoo Mail/Hotmail (or even something like Roundcube) who switched to Gmail probably realized how much these other companies had been holding stuff back.

I've never cared for invite only stuff, but Gmail really was a total revolution when it came out.

I thought the “invite only” approach was clever. It throttled growth so they could maintain a good user experience and limited automated use by spammers.
In terms of mailbox space, it was 500x Hotmail. Before Gmail you had to delete your old emails because if your mailbox was full it would stop receiving. The whole approach of "archive" and being able to search your entire email history from any computer in a webmail interface came from Google.

There was POP3 before this of course, to keep all your mail locally and empty out the server box. But that only works if you have a single computer that you check mail from. Even back in 2004 when Gmail launched that was a non-starter for me, I had email at home and at school.

Hotmail was 10x worse than all alternatives. It was an ugly web page, not an app.

Gmail took XMLHttpRequest and its ActiveX fallback (we used to call this “comet”) and proved the world that we can ship a robust app inside a web browser.

It was well designed, had no ugly banners like Hotmail did, it was really fast, simple and working like a desktop app.

For historical context: XMLHttpRequest was invented for outlook web access, so the idea and usecase preceded gmail.
The first time I saw it was in Google's Orkut, their first failed social network. But it did have cool AJAX.
> Was Gmail really 10x better than Hotmail?

No.

Gmail did not suck badly enough to be merely 10× better than Hotmail.

Gmail was lightyears beyond other early free webmail services.

Sadly, this isn’t even snark.
Hotmail had a 2MB e-mail limit. Gmail came with 2GB.
I don't use either but the hotmail/live/outlook system is a disaster.

I think people who have addresses there must just use them as throwaways as they don't seem to have much utility. You can be a small email sender with everything right, clean IP, on no block lists, SPF, DKIM, mta-sts. You can have no problems with any other major email provider. You can be signed up to SNDS. And they will just routinely block your IP for no reason and it will not even show up in SNDS and you can't resolve it through the tools they provide to mail senders on SNDS. So you have to go through this stupid process of filling in a support form which gives an automatic reply saying there is nothing to fix and you can't reply. But you do reply and then they fix it until next time.

There is no innovation there. I guess some accountant has determined that paying sweat shop labour to untick an IP every time their brain dead system blocks the same sender with no spam history is cheaper than actually fixing their systems. This is a flashback to 1990s Microsoft where their software was buggy as hell and your support options were power cycling or reinstalling.

They not only put their company name on this mess but offer it on outlook.com which creates an association with the pro email solutions they sell to a massive enterprise market. They should be embarrassed.

What gets me is they don't honour whitelisting email addresses when their reasons for blocking can be really spurious.
Gmail also automatically saved drafts. I can't tell you how many long emails I wrote and lost before hitting the send button with other web email UIs.

Gmail was not just 10x. I think it redefined what a good web based email experience could be. I think it completely changed what people realized and expected the web browser could be from an interactivity standpoint.

And conversation view. Hiding the quoted email being responded to.

Email before always looked like how Twitter threads do today.

Yahoo Mail is a lot nicer than gmail to actually use (no silly tiny window for editing), and automatically saves drafts.
Gmail was amazing when it launched...I was so excited to get an invite from a friend during the beta period. It made the crappy POP sync for my ISP email account look like a joke. Funny thing is–closing in on 20 years later–I dislike the latest generation of Gmail's web interface so much that I'm back to using a desktop email client.
I dislike it so much out of the box, or with a new account. When I help older people they look at Google like it is in hieroglyphics that they can’t understand because everything is an icon instead of a word. Then there’s the by default sorting your mail box for you and also having threaded emails. Features that have good intentions but just make it impossible to find the emails you are searching for.
>And then suddenly, you got a GB of storage. For free. No questions asked. And its UI was simple and easy-to-use. And you could search it.

Also don't forget that Gmail at the time had the most intelligent spam blocking algorithm compared to AOL/Yahoo/Hotmail/etc.

It was a big enough deal that some observers that switched to Gmail considered the email spam problem as "solved" because Gmail seemed so good at it. (On the other hand, many independent people trying to run their own SMTP servers think that Gmail is too aggressive with spam filtering because it also blocks many legitimate senders with low/unknown reputation.)

Is there a better spam filter today?
Define better. Gmail does a pretty good job for most use cases but it's all about compromises. One person's spam is another's ham; so you will unavoidably end up with false positives and/or false negatives. For some organisations you might want a system that you can fine tune those.
Funnily enough, Gmail can be on the receiving end sometimes too, e.g. being blocked in SORBS.

The response was:

  451 Currently Sending Spam See:
  http://www.sorbs.net/lookup.shtml?209.85.215.41
Although some may argue that SORBS is a bad system, anyway.
I studied Google's file system. What Google figured out is that, with the rise of very fast networking such as 10 Gig Ethernet and faster, the network is much faster than local disk. Files were spread across multiple servers so they could all stream different parts of the file off their local disks simultaneously to the client computer faster than the local disk on any one computer could run. Thus, you could have systems like Gmail that could run much faster than even local disk based email clients, even with thousands of users.

Other providers were probably using expensive NASs with huge profit margins built in. Google was using thousands of the cheapest crappiest commodity parts because it was all triple redundant... and it worked faster because the network was really fast and multiple computers could stream different parts of the same file to clients.

https://static.googleusercontent.com/media/research.google.c...

Very, very influential reading back in the day, and still interesting.

It also came out at an interesting time, because everyone was trying to push data-to-redundancy ratios to their limits. Since storage was so expensive back then, storing multiple copies of data made little sense when looking at it from a data storage view, even if the speeds were much better

Then Google dropped their MapReduce paper: https://static.googleusercontent.com/media/research.google.c...

Which quite literally paved the way for modern data processing, and works extremely well with the Google Filesystem architecture

Yeah, and then everyone took hadoop and threw it on a NAS or they provision it in the cloud and...throw it on a NAS. Always scratched my head on that one.
Not just a GB. It was also constantly increasing in size, with a live counter to show how much storage you had available. Super gimmicky, but fun.

I guess there are probably a lot of people here who are too young to have ever used those early versions. You also had to scrounge forums for an invite code.

I made my account(s) off invite codes and have "just my last name" at gmail dot com as an address... it's one of my most prized possessions, to this day!
I managed to snag my (very common) italian last name. I get a flood of messages every day. I both love and hate my account.

I don't even speak italian!

do you receive any interesting emails?
I get the same thing. My last name isn't that common though so I've messaged the culprits specifically (especially if they use their phone number when signing up for whatever it is) to ask them to please stop using it.

Someone will have the idea and sign up for 5-6 things all in one burst, which usually inspires my outreach.

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Hanging out in IRC channels in early 2000s was how I wasted my teenage years. But I did get a gmail invite out of it leading to my primary email address to this day: arithmetic@gmail.com
I also have <last name>@gmail.com. It’s not a super common last name, but common enough that I get emails almost daily from people accidentally omitting a first initial.
I convinced my mom to buy me a beta invite for $5 on ebay and then spread my invites out to my family and friends.
> If you didn't log in for a while, your account would disappear

That's still true for gmail, but the time is more reasonable at two years.

They announced it on April Fools. And it seemed like a joke - 1GB for email? Yeah. Right. Hotmail had, what, 10MB? 15?

Best April Fools joke ever.

pretty sure Yahoo was 5MB and Hotmail 2MB when gmail came out.
The Gmail web interface also (re)invented AJAX. The number of web applications that used XMLHttpRequest increased exponentially after the success of Gmail.
it was also written in Java which then compiled into client side javascript(!)
Not the original version. The current version is a hybrid of code compiled from Java (J2CL, previously GWT) mostly business logic shared with Android, iOS, and the server backends, and a UI that is built with Closure Library. It's monolithically compiled and globally optimized via Closure Compiler.
Hotmail offered 2Mb space and Yahoo proudly claimed "twice the space of other providers" with their 4Mb offer. I had a GMX.de account that was providing 25 Mb and felt like a king. Then April 1, 2004 came and nothing was the same anymore.
Gmail was so good that when it was in beta i sold invites for £200 each.
I didn't have that experience with gmail, I had it with oddmail which was 1-2-3 years before gmail? Oddmail reproduced Outlook in a webpage (3 panes, folders, list of items in selected folder, contents of selected email)

oddmail was bought by yahoo

running slack, skype and zoom in a browser tabs instead of 3 extra electron apps
User experience is usually the 10x differentiator.

An Uber and a regular Taxi will both get me to my location with similar time and cost. The difference was that I could get an Uber by pressing a couple buttons on my phone and monitor the entire process from an app. A taxi required (at the time) phone calls, waiting around for a taxi to arrive, trying to communicate location, and other hassles that disappeared when using Uber.

Same final product (car transportation between points) but the experience was 10x better.

This is insightful.

I wonder how many SaaS products have the advantage of not having to talk to another human being. You don't have to align schedules ("busy signal"), convince them if they don't want to ("yes, I moved a block down, can you redirect the taxi please?"), and sometimes deal with a bad day.

What's crazy is that any taxi company (and there are some large ones which have the resources) could have done this.

Then, after Uber launched, instead of jumping on the bandwagon and doing they same they instead dig in their heels and fought it. Only after it was too late did they attempt to do the same.

In other markets, they did. Where I live you need to have an appropriate license to transport passengers for money. Hailo brought the app approach to hiring taxi drivers. Uber now exists here, but all the drivers are actual licensed taxi drivers charging the standard rates. They did briefly try to "disrupt" the market here by ignoring those rules, but they got slapped down.
In Austin, they had a taxi app at the right time. The problem was that they were still taxis, and if no one felt like ever coming to pick you up, then you were just left high and dry. Uber told a specific person to come pick me up. Taxis would take whatever fare they found on the way to my house.
Not quite. There was a post on here that Uber's other big advance was the fact they don't own taxis and via demand pricing they incentivize more people to drive during high demand times. A Taxi company can't do that. They can't afford to own enough cars and hire enough drivers to handle high demand times as they'd lose money. Just adding an app to taxis is not enough
A regular taxi costs you the same as an uber? May I ask what country you live in?

In Australia, a taxi usually costs between 1.6ish - 2.3ish times as much as an uber or didi.

> phone calls

This can make things awfully complicated when you and the dispatcher don't speak the same language.

> waiting around for a taxi to arrive

The worst part about waiting for a taxi is the dice roll of whether one will actually arrive. Often in the case of a popular spot (like after the end of an event) the taxi could pick up someone else from the same location - or worse yet, not show up at all. The introduction of feedback associated with a specific driver has completely changed the incentive to actually show up and pick up the correct person.

> dispatcher

I remember a lot of taxi companies used some funky phone-to-CB thing where the dispatcher would be talking to you over CB radio on your phone call, which was just rotten audio quality on top of any lingo barrier. Just hilariously awful.

Don't forget the payment process - no tip to worry about, no conveniently "broken" credit card machines, costs and duration are estimated up front.
> An Uber and a regular Taxi will both get me to my location with similar time and cost

I don't know how many places that was true. I gave up on taxi service in my city (Austin) a few years after moving here, because it wasn't a reliable or quick way to get anywhere. Twice I ordered taxis hours ahead of time to get to the airport (once literally the night before) and after being assured on the phone over and over again that the driver would be there "in just a few minutes" ended up driving myself at the last minute and barely making my flight. I also had a few treats of walking miles home after waiting 45 minutes for a cab to arrive. Uber was a game-changer simply because they would show up.

one click deployment to prod as opposed to a deployment ceremony
Some parts of the Rust ecosystem belong to this category. For example the way Rustup and Cargo features with conditional compilation helps cross compiling code to new platforms.

Yes we also have cross compiling in C/C++ but the extra tooling that cargo/rustup provide make the 10x difference.

And docs.rs.

Having one place with documentation for every library is just amazing. Cargo as standard layout for all projects is such a force multiplier.

Google & stackoverflow

Prior to this everything was based out of tech manuals, now I can find good information fast, and memorize pointless trivia far less.

5 years ago I would have agreed.

Now, Google is heavily polluted with SEO garbage, junior-level blog posts churned out by what must be student assignments to "write a blog post about this week's programming assignment", and the truly horrible data scraping sites like xspdf or whatever. General web search is increasingly poor.

And Stackoverflow was great for a long time. Now it is mostly outdated (which usually means incorrect) Q/A data. Worse, the old information that should be retired actually blocks new questions with current answers because of the aggressive system of trying to prevent "duplicate" questions. It's not a duplicate question if there's an 8+ year (or even 3+ year!) gap between the date of the original and the date of the new one. Quite often, even if the original question is close enough to current needs, the answers are very unlikely to be correct now.

How about a 10x reduction?

Thinking of when "Paste with style" became the default. :P

This makes me mad every time. And every single thing has a different shortcut for "Paste without style", if they even have one.
On MacOS there’s a native shortcut for pasting as plain text:

Option+Shift+Command+V to paste text without any formatting.

https://superuser.com/a/512502

This is the same on Windows and Linux afaik you have Ctrl + Shift + V. Still makes me angry because it's a stupid default.
It's not universal on Windows: for example it doesn't work in MS Word. The place I'd want it the most! Ctrl+Shift+V does nothing at all there. It's Alt-HVT for this in Word (duh). But you can set the default to be no-formatting.
The following is almost a reflex for me: Win+R -> notepad -> Ctrl+v -> Ctrl+a -> Ctrl+c
It works in LibreOffice but it pops up a window asking you which sort of paste you want, which wastes more time.
In most Office apps you can make this Alt + 1 by setting "Paste As Plain Text" as position 1 in the Quick Access Toolbar (the small list of icons in the top left of the app). But yes, would love for this to be a universal Windows command.
This is why most of my copy-paste is actually: copy-paste_in_SublimeText-copy-paste.
And most insane thing I find it that sometimes it works over Operating system that is from VirtualBox to Windows...

That level of VM to host integration is though 10x innovation.

Home Assistant has been a revelation in terms of a platform against which to create sensor networks. Their MQTT discovery isn’t ideal but it’s damn good.

Related to this, Tasmota as a platform that I can run on ESP8266 devices to keep my IoT local to my network.

A document scanner connected to Wi-Fi (wish it had the ability to send directly to my laptop instead of having the laptop pull from it, but still 10x better than connecting a USB cable or emailing attachments).

Last night I discovered Tabula, a GUI for extracting tables from PDFs. Saved me more than 10x the time than copy pasting by hand. Fuck banks that only let you download the last 60 days of transactions as a CSV.

Discord is 10x better than most other chat platforms (Slack being the workplace competitor). Mainly this is because of how easy the signup process is.

Django is 10x better than PHP I left.

Pelican is better than WordPress for my needs.

Waze’s ability to search for things along my route (gas, food, coffee, etc.) instead of in my current area.

Reddit. Reddit to me is a community in a box for any new interest. If I pick up knitting, there is already an established knitting community that will have lots of info and helpful people to answer my questions. Same with motorcycles, home improvement, bargain hunting, rug weaving, whatever.

Instagram. It’s 10x better than most social networker for interacting with people. Still sucks, but everything else sucks more.

AirBnB experiences. Had some great tours through them when I visited Italy a couple of years ago and was way easier than the individual scammy-looking tour company sites.

svn to git/github was a 10x for sure
APM software (application performance monitoring). It was super expensive, pain in the ass to maintain, required a lot of training. But when someone skilled sat down with it - just wow. You could investigate particular users problem, and see that when she typed "s" in search form it triggered a few proxies, sql query which had proper execution plan, but it seems that connections pools are handled poorly.

It could visualize what is the actual architecture (not what we think it is) and show which connections are laggy, or more used, when it should be round robin.

It discovered undocumented connections and could show us laggy requests even if remote system was not monitored by APM - purely based on data from one side.

I could report to developers a particular line of code that is problematic from performance perspective (like "this takes 40% of time of the request, even though it's the simplest task in the process) without knowing much about that program or even coding in general (I'm more of an admin).

What software do you use? It sounds like for monitoring a website. Is there something similar for a desktop app?
I used a few, mostly Dynatrace. Experimented with Pinpoint and did like 3 PoC of commercial products. Dynatrace won for me but the prices were insane.

There is now a lot of opensource ones, usually not so fancy on the visual side. Elastic APM, Pinpoint and so on.

And for a desktop app I guess it's just called a debugger :> Unless said desktop app still uses http requests or something similar to webapps that can be attached to APM software. Then APM will know were it came from, but you won't get insight into the app itself, just the resulting connections.
- Revolut (vs. traditional banks and traders)

- Wolt (vs. Lieferando, Germany)

- Hey (vs. Gmail, Fastmail)