- Social media are online platforms that allow people to connect, share content, and have conversations. They include social networks, blogs, wikis, and sites for photos, videos, and bookmarks. - Social media have become very popular, with over 2/3 of internet users visiting social networks. Time spent on social networks is growing 3 times faster than overall internet use. - While initially thought to be mostly for younger people, over 80% of Twitter users and the fastest growing demographic on Facebook are over age 25. - Social media present opportunities for businesses to engage with customers, get feedback, and spread their brand through existing