Much of that reputation comes from radio being tough to track. On one hand,
radio does work. Businesses do notice an increase in sales when they add radio to the mix. However, radio doesn’t test well. In surveys and other tracking methods, radio tends to be the one with the dismal scores.
A good friend of mine, who’s also a marketing consultant but before that she sold radio for many years, has a theory about that. She says radio works on a subconscious or unconscious level. People remember the ad, but not that they heard it on the radio. So, they tend to credit a different medium for the ad, like the yellow pages. Yellow pages
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Regardless, radio should not be ignored because it does work. And many marketing consultants will probably tell you radio is an excellent medium to reach a local market.
However, I feel there are possibilities beyond merely reaching local customers.
Internet radio shows are starting to take off in a big way. That means advertising and sponsorship opportunities are also taking off. In addition, “offline” methods have been shown to be pretty effective at driving traffic online. If increasing Web traffic is your goal, using traditional media outlets to increase traffic should be a part of your mix.