Technical: February 2008 Archives
These numbers will give you an idea about how much processing Yahoo! and Google are doing to index to web in order to let us search it...
I just saw an interesting article around using eJabberd - an XMPP application server - to build a Twitter like system in a distributed manner. It happens that these days more and more things are showing me signs of XMPP as if I should do something around it! Here's another interesting article by on the CTO of Jive Software. I believe they have been extremely successful with XMPP through their enterprise solutions.