"I'm sorry but when I think t-shirt all I can think of is "#assnchat--they came for the ass and stayed for the chat." I didn't make that up--someone tweeted it once during #assnchat and to this day it makes me laugh! "

"We are looking at DoubleDutch for our annual convention in November. I like it because it's private--only attendees use it, you can create custom badges and it provides sponsorship opportunities for exhibitors. That said, right now it's only for iPhone--will supposedly be available for other phones by fall. I'm not sure how much our members will be into it, but I suspect that there&..."

"Has anyone used SCVNGR in their exhibit hall? It seems cool to me but I can hardly find anything about it just from Google searches. If you have no idea what I'm talking about, SCVNGR is a "geo-gaming" app that lets you build clue-based games for your exhibit hall. The thing that appeals to me about it is that you can use it from any phone--via text messages if you don't have a smart phone or v..."

"I am a public person online but a private person offline--e.g. if I was at a restaurant with my husband or a friend, I wouldn't love it if a stranger just walked up and started talking to me because he'd seen me check in on Foursquare--that's the main privacy thing I think about when I use Foursquare. I do use it and think there's a lot of potential for businesses and restaurants to use it to a..."

"Great suggestions! I would add to the boundaries point "expectations". Do you want bloggers posting before the event to build anticipation? Do you want a certain number of posts throughout the event? A wrap up post? Once the event is in full swing it can (ok, it WILL) get hectic; I found it very helpful to know ahead of time exactly what was expected of me so I could make sure I posted with the..."