“This patent is so basic that it would be hard to get around it. Just about any location-based system at its heart has to transmit a local location and receive information in return. That leaves the question of what Apple will decide to do … and to whom.”

“patent originally dating back to 1998″

http://www.cbsnews.com/8301-505124_162-57325995/apple-gets-killer-location-services-patent/