http://www.usatoday.com/news/education/2011-07-24-schools-social-media_n.html

http://brainblogger.com/2011/01/07/social-network-addiction-a-scientific-no-mans-land

http://socialnetworking.procon.org/

The first article is talking about how some schools are embracing technology instead of blogging them. the second article is talking about the dangers of social networking too much and social networking. the third is a list of pros and cons

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Web 2.0 is social sites like youtube, facebook, and twitter