Filed under: Deals, iPhone A MacRumors tipster has discovered a treat for iPhone users from AT&T. It would seem that AT&T is offering free wireless internet access via an iPhone in Starbucks (we posted about the Starbucks-AT&T deal a little while ago) as well as in Barnes and Nobles and 71,000 other locations. MacRumors notes that you must enter your mobile iPhone number as a means of verification. A picture of the portal home page is available on MacRumors.Read