Twitterank Creator Speaks, ZDNet.

That, is the “secwet” behind Twitterank. Similar to how Google’s PageRank algorithm judged a web page based on the number of inbound links and the origin of those links, Twitterank attempts to quantify a Twitter user by analyzing their incoming @replies. In essence, the more people talk to you, the higher your score.

Chatting about the Internet and the 2008 Elections, The Bivings Report.

The secret of the success of Barack Obama’s social network is that at its heart it is really a social action center.  When you login to My.BarackObama, you are pushed to make phone calls to undecided voters, knock on doors and raise money for the campaign, not to produce content.