So far a fairly geeky experience, certainly not for all tastes – even adventurous ones.
But just as a clunky Apple II became a gleaming MacBook Pro, so will WiMax (or its substitutes) one day provide the best access route to the cars of your audience. Better by far than your own air.
And it will be a two-way route, not the one-to-many pathway used by radio, HD radio, and satellite.
Two-way means interaction and customization and learning and direct response and all the other factors which make marketing different and more impactful than advertising per se.
Strap in, gang. The pedal is headed to the metal.