Ask HN: What Are Some Locally Copy-able Enterprise Startup Models?

I'm working on a project to document the world's startup ecosystems. I want to get the community to help on on something.

Here's a list of consumer startup models that I believe can be copied if it the model doesn't exist locally already. I'd love your feedback and what you think are copy-able b2b startup models. Thanks!

Transportation - Uber

Entertainment - Yelp

Recruiting - Monster

Dating - eHarmony

Real estate - Trulia

Rental - Airbnb

Gaming - Zynga

Communication - Whatsapp

Deals - Groupon

Online retail - Amazon

Search - Google

Community - Craigslist

Social news - Reddit

Payment - Paypal

Microwork - Taskrabbit

Education - Coursera

Health - webMD

Subscription - Birchbox

Travel - Kayak

Blogging - Tumbler

Dining - Opentable

Ticketing - Stubhub

Events - Eventbrite