The document discusses how social networking sites have changed people's personalities and how they interact socially. It provides statistics on teen usage of social media in the US and notes similar trends are happening in other countries like increased internet and social media use. Social networking allows information to spread quickly and is used by both young and old for fun, networking and business purposes. While some see social media as a waste of time, organizations are using it for customer relationship management and development. Social media sites make money through applications and connecting other accounts and websites.