Ahh, the Googly Goodness that is an open API. Boing Boing points us to a site that will let you pick two points on a Google map and then show you all the truckstops and campgrounds betwixt them that have WiFi coverage.
Camping geeks? The heck you say!
WiFi spots at campgrounds and truckstops – Mark Frauenfelder: Use this Google maps application to find wifi access points at truck stops and camping grounds along your route.
Link
(Via Boing Boing)