How does it determine location? It doesn't seem to be terribly good at it... I'm in Portland, Maine; when I put the slider all the way to the right (presumably

How does it determine location? It doesn't seem to be terribly good at it... I'm in Portland, Maine; when I put the slider all the way to the right (presumably to find people close to me), it gave me a bunch of results in California. Not that I blame the app for having a tough time... there's not a lot for it to go on for figuring out the geographic location of a user. And I can see why it might get confused between the real Portland and those impostors in Oregon who stole our name!