MessageParty is location-based chat. You open the app and it gives you a list of nearby parties that have been created by others. It's useful for concerts, events, conferences, etc.
Why don't people just turn off their phones and enjoy the concert/event/whatever?
Meh what is society coming to!
Presumably, you restrict people from joining a party based on their location. But I imagine there are a few edge cases. For example, if I'm on my way to a concert but want to know something about a tent beforehand, can I do it?
Perfect ground for a Web 1.0 multi-million dollar marketing barrage, but kinda difficult otherwise.