thanks! yeah i'm the lead dev behind the app. We're trying to make the best face-to-face networking app for conferences, trade shows, etc. Let me know if there's anything else we should add, we're adding features like mad!
we've released a similar networking app called Loopd (http://getloopd.com) which also uses iBeacon technology to let you connect with people at a social gathering, also includes messaging, tagging, and showing context of where and when you met