Early (belated) enthusiasm for this blogging lark leads me to send you in the direction of another blog - from John Borthwick, CEO of betaworks, and internet media company, and

"If there is a wizard behind the curtain of the real-time stream economy, it’s the West London born and bred John Borthwick, an ex Time Warner executive, who now runs Betaworks, the New York City-based incubator of Twitter ecosystem companies including the search-engine Summize (which he sold to Twitter last year), the URL shortener Bitly and Tweetdeck, the most popular of all Twitter apps" Andrew Keen, The Telegraph, 14/07/09

He comments on real time info flows, symmetry issues and power: all stuff you'll be hearing lots about on this course.