On the retail side, stores in the airport will use a combination of cameras and sensors to monitor buyer behavior and to get a better sense of what types of displays work.
The use permission tag stores the terms of use of the game and determines whether a combination of the disk ID and the player ID conveyed from the reproduction device fulfils the terms of use or not.
Many are channel agnostic, meaning they buy online or in-stores depending on what best serves their needs, be it convenience or price, or some combination of both.
Sure, a combination of e-commerce and a difficult economy have left many storefronts vacant, and certain verticals like record stores and local bookstores have been hit hard.