Abstract art is a great example of why there shouldn't be a homogenised answer. You made examples of etsy being too loose with the concept and your concept of

Abstract art is a great example of why there shouldn't be a homogenised answer. You made examples of etsy being too loose with the concept and your concept of it being tighter than that. Who is to say? I'd suppose no one, or thing. Especially if information discovery is a proponent of the evolution of abstract art. One point of view leads you down a blind alley. I do like your idea of crowdsourcing opinion though. That's sort of similar to having different search engines providing different answers, though having the algorithm more tightly focused on people/ideas/directions you choose as authorities.