FILE-This May 6, 2012, file photo, shows an AT&T sign at a store in New York. Following in Verizon's footsteps, AT&T said Wednesday, July 18, 2012, it will introduce wireless plans that let subscribers connect up to ten devices. Connected phones get unlimited calling and texting, and all devices get wireless data access. The devices tap into a limited pool of data usage, which get renewed each month. (AP Photo/CX Matiash, File)