Television allows your selling message to reach the largest audience in the shortest time possible. Sure, TV has changed over the years. While digital broadcasting and the increasing reach of cable and satellite TV have fragmented the audience, they have also made TV affordable enough for virtually any business.
Radio is undergoing its own evolution right now. The Personal People Meter has changed how radio advertising is bought and sold. Competition from iPods, satellite and HD radio is increasing, but local terrestrial radio still offers a tremendous bang-for-the-buck to the advertiser who uses it wisely. This goes double for spanish-language advertisers in cities like Miami and other areas with large hispanic populations.