[Harmless Teddy Bear]

Providing that they are still using radio at all.

Look how quickly we switched to no longer using radio but going to streaming and cable.

In a couple of decades we might no longer be transmitting at all. And they will think we all died off.

[Lonesome in Massachussets]

Radio is alive and well. You got a cell phone? A GPS? Radar (RAdio Detection And Ranging) not only controls air traffic these days, but cruise control on cars. Ships cannot navigate in bad weather without it. Ever hear of WiFi? Or satellite telephone? Radio is more prolific and widespread than ever. AM and FM, like polygamy and slavery, are vestiges of an earlier barbaric era and therefore moribund, but radio is more ubiquitous than ever. Broadcast TV will soon go the way human sacrifice.

[PIF]

Look how quickly you switched to no longer using radio but going to streaming and cable.

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AM and FM radio are still going strong, as are all other radio communications - no one stopped using them - we added cable and internet streaming.