Brands in the Sharing Economy

What brand have you used the most from the sharing economy?

Space: AirBnB, HomeAway, CouchSurfing, ShareDesk etc.
Transport: Uber, Zipcar, BoatBound etc.
Services: Airtasker, Taskrabbit, CloudPeeps etc.
Money: Kickstarter, LendingClub, Bitcoin etc.
Goods: Etsy, HauteVault, ebay (access to marketplace infrastructure) etc.
Learning: Coursera, FutureLearn Chegg, Khan Academy etc.

Poll Maker