Bill Thompson in lyrical mode…

I didn’t see the crowd start to get restless and heckle Zuckerberg about the deeply-unpopular Beacon advertising system, or get a chance to grab the microphone and ask questions when Lacy threw the conversation open to the floor.

And yet I was there in another way, listening to and even interacting with some of my friends in the audience, picking up on the vibe in the room and even tuning in later as Sarah Lacy loudly defended herself.

I was there because I was plugged into Twitter, the instant messaging service that lets users send short text messages to anyone who cares to tune in, online or on their mobile phone.

As I sat at my desk a constant stream of ‘tweets’, as they are called, was being supplied by many of the people in the room and I was able to reply directly and feel that I too was participating…