Ask HN: Steal my Ideas (or help me)

Hello HN, I've been kicking around a couple of ideas for startups that I'd like to share with you. I'm having trouble deciding which one I like best. PG and others speak about changing ideas often in a Startup, so you shouldn't worry too much about the initial idea. Companies like Paypal are often referred to. However, I see this more as evolution rather than full out change. It is much harder to completely shift focus. Justin.tv did it, but it took them more than a year to go from one idea from the next. I'd like to avoid this if possible. First, I'll probably run out of money. Second, the opportunity cost is rather large. With that in mind, here are some idea's I’ve been thinking about. Let me know what you think of them. Please start building them if you like, or let me know if you'd like to try and work together on any of them.

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1) Online golf tee time systems that courses use suck! They are so bad that calling to get tee times is still the default method. The vast majority of existing software is practically unusable. It should not be hard to build software that kills everyone else. Features include:

-- Support all browsers (many do not)

-- Fix the broken login system. Most software requires you to login. No one can remember there login because the actual software is not the brand the consumer remembers, it’s the golf course. So I end up making a new account every time I want to get a tee time. That sucks, I usually stop at this point. Instead use open-id

-- All existing software uses the same broken UI. Currently there is a date picker and you enter the date and time you are interested in. This makes sense for airlines, but golf courses typical only let you get tee times 10-14 days in advance. I would rather see each day lined up, with the weather, price, and how busy the course was included. Clicking a day would show the day's list of all tee times. This would allow you to do things like find the least busy time, or find two tee-times back to back.

-- Edit reservations. Most existing software makes you go through the whole account hassle, then you can't even make changes to your reservation without calling.

--The killer feature, beyond building a usable website, would be a mobile website version and native mobile applications.

I’d charge per transaction. I like this product because the software is directly responsible for revenue (or making stuff golf courses want). Also golf courses want to minimize the time they are spending answering the phone.

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2) Mobile applications for students to get info about their colleges. This already exists for ~10 schools and the company who built these was actually just bought by Blackboard. Nonetheless, I think there is a lot of space in this market. In 5 years, students will be getting this info in a better format than they are now. Features would include:

-- News

-- Athletic Events

-- Interactive directory, with one touch calling/emailing

-- Calendar of events

-- Pushing emergency security notifications

-- Big CALL SECURITY button, since most students do not have security's phone number in their phone

-- Dining Menus

-- Interactive Map of campus/local attractions

-- Possibly some social networking thing where students could post where they are hanging out.

To start, I've tried to only include features that wouldn't require integrating into a schools internal network. This would keep the friction of installation much lower. At some point it would probably be worth looking into integrating though. I’d focus specifically on smaller schools that don’t have the IT infrastructure to build anything like this. High Schools could also be targeted. As a student I was always running around, and I would have loved to be able to get this information easily. As it was, loading up the website and navigating just takes too long. Also, I think schools are very interested in security these days, so focusing on fleshing out new id...