Some good posts on the real-time web:

Now we are dealing with Facebook, Twitter, RSS feeds, blogs…..all real-time.  Even web 1.0 like yahoo and aol’s homepage are published in realtime with updating links and stories and customizable designs.mobtownlabs.com, Mobtown Labs

Over the past few months people have written about Twitter’s traffic being up, down or sideways — the core question that people are asking is the real time web growing or not, is this hype or substance? Great questions — the answer to all of the above is from the data set I see: yes. Adoption and growth is happening pretty much across the board — and in some areas its happening at an astounding pace
John Borthwick,  CEO, Betaworks

Betaworks · bit.ly · real-time web · Twitter