I'm sure it's partly that. But then how do things become fashionable? Who defines the common taste for the rest of the society? Now we are back to the basics an

I'm sure it's partly that. But then how do things become fashionable? Who defines the common taste for the rest of the society? Now we are back to the basics and I'll stick to my hypothesis (I explained elsewhere in the thread) that it's about appreciating novelty.