Cell phones are the newest frontier in advertising, it seems. Just last week we reported on Bluecasting’s “your discoverable phone is our playground” attitude, and now along come Perceptive Impressions and Promotel, Inc., who want to put their advertising in your ear - every time you make a cell phone call.

You know how when you call someone, and you can hear it ringing before they answer? And you know how some cell phone carriers are now allowing you to customize your cell phone service by replacing that ringing sound with music, so that your callers hear your music of choice rather than the ringing while waiting for you to answer? Well, that’s a ring-back tone.

Now, imagine that ringing, or music, replaced with a paid advertisement…

[Continue reading Cell Phones to Get Ring-back Advertising Courtesy of Perceptive Impression's Promotel]