Social networking sites are online communities where people can interact with friends, family, coworkers, acquaintances and others with similar interests. Most social networking sites are Web-based and provide many ways for their users to interact, such as chat, messaging, email, video, voice chat, file-sharing, blogging and discussion groups. Popular social networking sites such as Facebook are being used daily by millions of people and are becoming a part of everyday online activities. Social networking sites provide an immediate and personal way to deliver programs, products and information to individuals or friends within your personal network.
Facebook is a popular free social networking website that allows registered users to create profiles, upload photos and video, send messages and keep in touch with friends, family and colleagues.
Twitter is an online micro-blogging and social networking Web site that is used to provide information, commentary and descriptions of events and highlight certain content.
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