0 commentsAT&T Wireless also uses the Amazon service as part of its own experiment in social assimilation. Dialing #121 on an AT&T-subscribed cell phone allows the user to find any song playing on any radio station. AT&T uses the cell phone tower antenna to figure out what city the user is in, the nearest radio station playing the song, and gives the user the ability to link back to Amazon to order the song over the phone.