From USA.gov
http://www.usa.gov/webcontent/technology/other_tech.shtml
Social Media and Web 2.0 in Government
What Is Social Media and Web 2.0?
Social Media and Web 2.0 are umbrella terms that define the various activities that integrate technology, social interaction, and content creation. Social media use the “wisdom of crowds” to connect information in a collaborative manner online. Through social media, individuals or collaborations of individuals create web content, organize content, edit or comment on content, combine content, and share content. Social media and Web 2.0 use uses many technologies and forms, including RSS and other syndicated web feeds, blogs, wikis, photo–sharing, video–sharing, podcasts, social networking, social bookmarking, mashups, widgets, virtual worlds, micro–blogs, and more.
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a succinct enough definition. Sometimes I wish our “blogs” here would be more wiki like so we can link to other terms defined internally.
I would tweak a bit. I always try to emphasize the idea that information is power — and that information become more powerful when it is shared.
Here is how I would edit:
Social Media and Web 2.0 are umbrella terms that define the various activities that integrate technology, social interaction, and content creation. These technologies tap into the “wisdom of crowds” theory — that all of us are wiser then each of us are individually. They are collaborative and share information. The Defense Department’s concept of network-centric operations is similar to what many now brand as Web 2.0. Through social media, individuals or collaborations of individuals create web content, organize content, edit or comment on content, combine content, and share content. Social media and Web 2.0 use uses many technologies and forms, including RSS and other syndicated web feeds, blogs, wikis, photo–sharing, video–sharing, podcasts, social networking, social bookmarking, mashups, widgets, virtual worlds, micro–blogs, and more.