When App Store was announced, I recall (perhaps it was my imagination) that there was or was going to be a loactor app that would use the GPS function to locate your phone and then display all of your contacts in that area on a map. My presumption was that it would work in the same way map based searches work when you enter something like "Target" - with multiple pin-drops that show your contacts. Does this exist? I just started trolling the App Store tonight, but I couldn't find anything that matches this. Would be very useful to me.