This document discusses how businesses must adapt to succeed in the Facebook era. It summarizes that Facebook has become a trusted online forum for personal identity where users share photos, interests, and connections to friends. As a result, user expectations have changed and businesses are now expected to provide personalized interactions and transitive trust. The document also describes how new modes of communication on Facebook foster weak ties and capture long tail audiences. It provides an example of a recruiting app called Jobs4MyFriends that leverages employee referrals through Facebook.