I'm giving a talk at the Web 2.0 Expo in NYC today and it will be live streamed.

here's the topic. it's all about hashtag warfare on twitter.

it's live streamed but you'll have to register for a free account to view it

I encourage you to watch all the keynotes. They run from 1:30-3pm and, I'm basically opening for these awesome people: Douglas Rushkoff, Gina Trapani, Anil Dash, Brady Forrest and Scott Berkun