NEW YORK — Infinity Radio is experimenting with a do-it-yourself radio concept, converting a San Francisco AM station into the world’s first all user-programmed radio station. The service, called ...

The chain of command at Infinity Broadcasting Corp., the Viacom Inc. unit that formed one leg of departed President Mel Karmazin’s power base, has been sending out reassuring signals to the troops.

This is a little out of SiliconBeat’s area, but it’s interesting nonetheless and another example of the shifting media landscape…Infinity Broadcasting is launching the first-ever podcasting radio ...