Buried in the depths of its filing for a listing on the US public markets yesterday, Facebook highlighted its partnership with TripAdvisor as a prime example of how external sites are using the social graph.
While analysts and tech-heads pored over the finer details of the S1 filing with the Securities and Exchange Commission, shedding light on some of the company’s financials for the first time, TripAdvisor will no doubt be overjoyed at the inclusion of the Trip Friends system it integrated in June 2010.
Facebook is looking raise around $5 billion from the IPO in the US.
