Users of Shazam, the popular iOS app that allows people to discover what song is playing on the radio, television, or almost anywhere, will be happy to hear that Shazam is offering unlimited free tagging in its iPhone app. Shazam allows users to simply hold up their iPhone while a song is playing, which the app will then identify, or tag.
Previously, Shazam users got five free song tags a month and if you wanted more you had to pay for the Shazam Encore service. Now ho
