When I said radio is "...heading towards.." getting away from transmitters and towers, that doesn't mean it's happening next week, or next month. But, it won't be 25 years from now either. The planning has already started.
Once broadband is cheap enough for virtually any handheld, at home, or in-car device, and when the web can handle the load of millions of people listening to thousands and thousands and thousands of radio stations 24/7....it'll happen. Might take 5 or 10 or 15 or 20 years...but, the trend is real. (For us lovers of over the air radio, it's sad, but time and new techologies keep moving on).
As for TV needing lots of young people, "lots" is a relative term. Automation of more and more duties is under way, and the more new technology develops, the fewer human beings will be needed. That indeed stinks...but, again...that's reality.
And, sure...there's always somebody who wants to buy radio signals...it's still cool to say you own radio stations. But, remember...prices are a fraction of what they were a few years ago, and there are fewer and fewer sales than ever.
Elyria-Lorain Broadcasting reportedly wanted upwards of $20million for WNWV 2 or 3 years ago....they got $6.5 million.
While most of us love radio, it's not nearly the gravy train/license to print money most stations we're 10 or 15 years ago. Why? Consumer media use fragmentation....and advertising dollars are being spread over an increasing number of mediums....digital/websites/mobile devices being the biggest growth...those dollars have to come from somewhere.