Social media refers to online networks that allow people to communicate and share information. Key aspects include participation, openness, conversation, community, and connectedness. Social networks allow users to create profiles and connect with friends. Popular social networks like Myspace and Facebook also offer games and videos. Blogs are online journals where entries are displayed with the most recent first. There are many types of blogs including personal, political, and business blogs. Wikis are websites that allow users to contribute and edit pages, with Wikipedia being the most well-known example. Podcasts are audio or video files that can be subscribed to and listened to or watched on computers or MP3 players. Forums allow people to discuss topics and offer opinions on