This document discusses Facebook and its business model. It mentions that Facebook originally started as a college social network, was founded by Mark Zuckerberg in 2005, and is now on its way to having 1 billion users, with 350 million active mobile users and over 2.5 million users in Norway. It goes on to discuss ways people can make money on Facebook, including selling electronics, coupons, and consulting services via Facebook pages and posts. The document raises questions about whether growth on Facebook is happening too quickly and if addiction could become an image problem.