Adam Barenblat 11.08.11 4:45 PM Path originally limited your social network to 50 people. Now it's 150 — better known as Dunbar's number.This was filmed at our 2011 Innovation Uncensored event in San Francisco. We’re giving away 5 tickets to the Innovation Festival! Enter below. I’ll also get special updates regarding the Innovation Festival Send I'd also like to receive the Leadership Daily newsletter.