Backers of new radio-tagged product codes, a kind of souped-up bar code, are heralding this as the week the technology finally moves off the drawing board and into the real world. Unlike ...

The commercial radio industry needs new codes to prevent children from being exploited in live radio programs.

Departments sometimes use the codes so radio transmissions don't alarm the public, Cannon said. For instance, while everyone may understand what 10-4 means, chances are most people don't know the ...