danah boyd
identity, youth culture, online communities, social media
http://www.danah.org/
http://www.zephoria.org/thoughts/
Henry Jenkins
media convergence, fan culture, media and democracy
http://web.mit.edu/cms/People/henry3/
http://www.henryjenkins.org/
Lawrence Lessig
intellectual property, copyright, the commons
http://www.lessig.org/
Howard Rheingold
sociology of online communities, mobile computing
http://www.rheingold.com/
http://www.smartmobs.com/
Sherry Turkle
identity and technology, psychology, computer addiction
http://www.mit.edu/~sturkle/
Seth Godin
marketing, business, entrepreneurship
http://sethgodin.typepad.com/