NEW YORK (AdAge.com) -- Clear Channel is discussing the idea of one-second radio spots with marketers and media buyers. 'Blinks' The real value of the Blinks, as they are being called, may be in the publicity they can generate. After all, you're already reading an article about them, and the short spots are only in the concept stage. The radio giant, however, says it didn't think up Blinks as a promotional stunt. "It really is to find new uses of radio for advertisers who are continually asking us to demonstrate that our medium can successfully extend brands, can successfully reach...