David Meerman Scott (@dmscott) kicked off the conference with an incredible keynote address. I got to speak with David for a few minutes after the presentation - he's a really cool guy! I'll edit some video of his presentation and share it later.
Towards the end of his presentation, David introduced Cyndi Lauper, who performed an incredible version of the old Robert Johnson blues song, "Crossroads" (made famous by Eric Clapton.) Here's a video clip of Cyndi's performance: