RT @simonw: Tumblr's architecture is absolutely fascinating - this is the most interesting scalability article I've seen in ages http://highscalability.com/blog...
RT @jayrosen_nyu: Here you go, people. New post at PressThink! Interview as Train Wreck: Susan G. Komen Foundation meets Andrea Mitchell http://pressthink.org/2012...
@tonyhammond @bradleypallen not to mention the content that is only provided (and thus indexed) when user interaction conditions are reached - http://twitter.com/eneylon...