The technology to stream video in real time has become incredibly easy to use and free. You'll see coverage of all types of events, concerts, discussion panels, and you're even seeing some people broadcast live from Occupy protests.
Big business has long employed social media monitoring companies to track and analyze the "chatter" about their products and brands. This infrastructure is a natural tool for confronting the Occupy Wall Street movement.
The digital natives who can imagine alternative "What If" worlds have come to Wall Street with frustrations over the existing political/corporate structures and processes, and are trying to re-imagine a better world.