Airbnb, Uber, Bitcoin, Airtm, and the inevitable global mainstreaming of P2P Forex Markets. — Gist: Global scaling of P2P forex marketplaces (e.g. Airtm, Localbitcoins) are as inevitable as Airbnb and Uber, because they 1.generate billions in consumer surplus, 2. create millions of gig economy jobs, and 3. can be as safe, reliable, and tax revenue efficient as legacy licensed alternatives. 1. Comfort of Strangers