For those of you living in a cave, SOCIAL MEDIA are Internet sites where people
interact freely, sharing and discussing information about each other and
their lives, using a multimedia mix of personal words, pictures, videos
and audio. At these Web sites, individuals and groups create and exchange content and engage in person-to-person conversations. They appear in many forms including blogs and microblogs, forums and
message boards, social networks, wikis, virtual worlds, social
bookmarking, tagging and news, writing communities, digital storytelling
and scrapbooking, and data, content, image and video sharing, podcast
portals, and collective intelligence.
From a marketing standpoint however, the history of Social Media probably looks more like this: