Immediately after shifting to San Francisco in Oct 2007, roommates and previous schoolmates Brian Chesky and Joe Gebbia came up with the concept of Placing an air mattress within their living room and turning it into a bed and breakfast.[8] In February 2008, Nathan Blecharczyk, Chesky's previous roommate, joined as https://checkbookmarks.com/story5040925/5-simple-statements-about-%CE%94%CE%B9%CE%B1%CF%87%CE%B5%CE%AF%CF%81%CE%B9%CF%83%CE%B7-airbnb-explained