Pop culture isn't the same

In the past there were "Dead Heads" and "Parrot Heads". Are there now no "Jewel Heads", "Creed Heads", "Enya Heads"?

OK, I understand the lack of Enya Heads.

Was it the drugs which aren't exactly in short supply today? Was it the times? Were fans more devoted? Was it the introduction of Post-it® notes?

As if the world weren't changing fast enough, now there are no "Heads".

Inspired by a post by Balloon Juice.