Loopt Location To Update In The Background On iPhoneThe basic idea behind Loopt is a map showing where your friends are at the moment, and some other location-based social networking features, like a "who's nearby" list. But because Apple's iPhone doesn't yet support background processing for third-party apps, Loopt ordinarily only knows where you are when you're actively pinging its servers. That's not as useful. (And a limitation Loopt doesn't ha
