Although it doesn't provide the visual qualities of television, or the "newness" of the Internet, radio is still a good fit for technology PR campaigns.

"Radio is one of my favorite media to work with," says Chris Barker, account director at Text 100. "It allows you to talk about more complex issues that you wouldn't be able to package in a minute-and-a-half TV segment." And because technology frequently lends itself to issues that require a more in-depth explanation, radio is ...