I built hrnw to connect people who are in the same location at the same time. Think of it as an anonymous chatroom with everyone else who is also on the app at the same time, within a few hundred feet or so of you. I think it would be fun for bars, concerts, conferences, or really any other social gatherings.
Please let me know what you think, if you'd like to know about the stack, and if you see any big issues.