This document provides an overview and history of Facebook from its launch in 2004 to 2011. It discusses how Facebook started as a social network for Harvard students and expanded to the general public. The document outlines major product launches and changes over the years, including the introduction of photos, groups, pages, events and ads. It also notes key partnerships, lawsuits, and the growth of Facebook from 1 million to over 800 million users during this time period.