ATL renewed contracts until 1-August-2011 with three providers, which include Boingo and T-Mobile based on the network's splash page. A hybrid system is under consideration, where service would be free to casual users, but corporate users would have access to for-fee networks to which they had plan access. The free network would display ads.
Atlanta is the busiest airport in the world, and would be only the second very-large airport, following Denver, that opened its network for ad-supported, free use. Most other free airport networks are in second- and third-tier markets that carry plenty of passengers, but use free Wi-Fi as an amenity to attract travelers away from first-tier hubs.
Latest Version of Take Control of Your 802.11n AirPort Network