From the BusinessWeek article about the real-time revolution:

Betaworks is also building or investing in at least 21 other companies mining the “real-time Web.” That’s the term coined to describe the exploding number of live social activities online, from tweets to status updates on Facebook to the sharing of news, Web links, and videos on myriad other sites. “It’s a whole new layer of innovation that’s opening up on the Web,” he says.

Read the rest of the article here.