Totally agree with this. Open vs. closed and centralized vs. decentralized are very interesting debate topics. But missing from most discussions of these issues is the performance tradeoff (centralized is faster, generally speaking). That’s the most interesting piece for me though.

Twitter killed RSS (and that’s a bad thing) — cdixon.org – chris dixon’s blog “Twitter killed RSS (and that’s a bad thing)” http://bit.ly/AJE4D