It is now finally, FINALLY possible to get FREE wifi at Starbucks AT&T hotspots. By logging in using your phone number you will receive an SMS with a secure URL that will grant you access for 24 hours at the hotspot. If you move to another Startbucks AT&T hotspot you will need to repeat the same procedure.

Source: iPhoneDownloadBlog

Source: Ars Technica

Check out iPhoneDownloadBlog for detailed instructions.

Read the history of AT&T’s cumbersome way of delivering this much needed service to its iPhone subscribers at Ars Technica.

Official AT&T page describing the free WiFi for iPhone service.