Makes a map of Wi-Fi access points as you walk around. * Maps out the actual coverage of each access point (AP)! * AP names are displayed on the map * See street address and area of APs * You can select the criteria for inclusion on your map Free version: ads, only 100 APs Tip:Looks like this feature of Google Maps will be usefulhttp://googleblog.blogspot.com/2011/07/download-map-area-added-to-labs-in.html