Twitter mood

Somewhat off-topic, but still worth a look. Using twitter to determine the mood of the nation (USA).

Click here for the full story...

Soziale Ansteckung in sozialen Netzwerken

Sinan Aral from NYU Stern talking about social contagion and influence in social networks. Somewhat more involved than the other material in this blog, but still a great talk and a must-see in this lecture.

Sinan Aral speaks at TEDx Silicon Valley 2011 from TEDx Silicon Valley on Vimeo.