this post is to describe what facebook  actually is.. The idea of Facebook can be quite confusing to those new to social networking. So what is Facebook? It is a place to communicate with friends and family, to share photographs or funny links you find on the Web, to play social games like Farmville or Mafia Wars, search for long-lost friends or even chat interactively with your buddies. In short, it is your home on the web. Find out more you can do with Facebook and why you should use it. Facebook sprung from its roots as a school-based social network to became the most popular social network in the world. A few keys to Facebook's success is its ability to appeal to both people and businesses, the success of Facebook's developers network which has turned Facebook into a thriving platform, and Facebook Connect's ability to reach out to the rest of the web and provide a single login that works across multiple sites.