It's day two of the Web 2.0 Expo. Many of us battled with power supply issues and slow Internet connections. This was particularly unfortunate when Tom Hughs-Croucher of Yahoo! tried to demonstrate fabulous HTML 5 sites and encouraged the audience to participate.
In many ways it highlighted the trend toward smartphones. As we experienced WiFi access issues, audience members whipped out their iPhones, Android phones, and Blackberrys and started taking photographs of slides, texting notes, and tweeting comments.
Perhaps the greatest pitfall of using Twitter as a conference backchannel occurred during Danah Boyd' s keynote address. She began the address on the wrong foot by reading a prepared speech, quickly. The conference displayed live Twitter posts tagged with the conference hashtag, so tweets like "Look up, Danah!" and "She's talking too fast" filled the screen. This was a huge contrast to Chris Brogan's keynote where compliments and quotes from his speech scrolled behind him as he spoke.