"I'm looking for some comparison data on Survey and Ballot Systems (SBS) and BigPulse.com. Has anyone compared these systems before?"

"Love the ideas here Andrea. Most of all the simple thought of continuing the thinking and collaboration after the meeting. I would add the idea of creating a game that starts during the event (or even before the event) and then keeps going after the event. I can think of no better way to keep people engaged."

"@jeff thanks much for facilitating this topic. Geo-location is certainly now (thanks Facebook) a huge growth area for mobile computing and social networking. Checking into places (be it restaurants, hotels, offices or booth areas on a show floor) is the first step into a larger world, that being turning the fact that we (and our friends) are in the same or spatially close locations into somethi..."

"I am intrigued by the security discussion. Certainly we take care as many have suggested to whom we follow/friend/tap on the shoulder in social circles. Given that, I'd argue that we're merely announcing to those people where we are and (maybe) what we're doing. Do I feed every check-in to Twitter...no way. What I am doing is always thinking about what would be relevant to my target..."

"I think there are really two questions here. One question is whether to live tweet at events. I think the answer is simple: YES! It's another level of connection for both attendees and virtual attendees/tweeps. In terms of the second question (twitter wall behind the presenter) that totally depends on the session format and the speaker. Some (formats/speakers) thrive while others are driven to ..."