Learn how applications and external websites have leveraged the social graph via the Facebook Platform to create engaging social content.
Facebook Platform

Causes
Causes is an organizing tool that enables average citizens to take action on issues they care about on Facebook by spreading awareness, enabling fund-raising and advocating other off-line action.

Playfish
Playfish is one of the largest and fastest growing social games companies, creating games for people to play together using social sites like Facebook as its platform.
Facebook Connect

The Insider
CBS's implementation of Connect allows Facebook users to easily create profiles on www.theinsider.com and post comments using their real identity (i.e., photo and real name). Users interact with their friends and share their comments with their Insider friends, as well as back with their friends on Facebook.

Trazzler
Trazzler is an application that helps you answer the question, "Where should I go?" with an inspirational way to explore, save, and book-in-the know trips.

JibJab
JibJab is a leading provider of digital greetings and online entertainment. From its offbeat Sendables® eCards to personalized Starring You!® videos and irreverent Original viral videos, JibJab is on a mission to help more people share more laughs than any other company in the history of the world.