Article: What happened to radio?

I bet most music lovers of our generations grew up listening to a lot of radio (and still do if they have long commute) And most of us are sick of the poor current quality of programming. It was summed up the best by this Wired magazine's article: short playlist dictated by computer, blocks of 10-minute screaming ads. This interesting article explained what happened to the radio industry in the recent years in details and what forces it to change.