A woman's Facebook status updates from her mobile phone become a lifeline for her and a group of 36 people traveling in Haiti during the earthquake. A recently laid-off man lands a new job by reaching out to his friends on Facebook. After 15 years apart, a father reconnects with his daughter through Facebook. These are just a few of the hundreds of stories people like you have shared about their experiences on Facebook. Each of the 500 million people using Facebook, though,