Warren Buffett kicked himself for not inventing Airbnb, which filed to go public this week: 'I wish I'd thought of it'
· *Warren Buffett may be kicking himself after Airbnb filed to go public this week.*
· *"I wish I'd thought of it," the billionaire investor told Fortune about the home-sharing platform in 2015.*
· *However, Buffett is also a mentor to Airbnb CEO and cofounder Brian Chesky.*
· *The pair had lunch for more than four hours...
