One feature of the iPhone I am exploiting in Tunepal is the built in GPS. When someone submits a search to tupelal.org from an iPhone, Tunepal uploads their latitude and longitude. That way I can view searches from around the world on a map! Here is a prototype of the last 100 searches I carried out:
Click on one of the markers to view the tune that was found and the date and time the search was carried out.