The document discusses the growth and uses of various social media platforms. It notes that Facebook has over 600 million users who spend 500 billion minutes per month on the site. It also discusses the rapid growth of Foursquare from 175,000 users in 2010 to over 6 million users by the end of the year. The document suggests that businesses can benefit from social media by positioning themselves as thought leaders, building customer relationships, gaining media attention, collaborating internally, and recruiting new talent.