painstorming
Disruption
When I was researching noise cancellation headphones I remember coming across many 
reddit
discussions about just this. People with hearing troubles who decided to get the cheaper and better Bose headphones that also have audio enhancing.

Anything that has a potential marketplace also has discussions. This is why 
Amy Hoy
's class has a segment just called 
painstorming
. I never took the class but 
dealingwith
did and he showed me his painstorming notes. It basically involves going to online communities -- like Reddit -- and curating discussions of pains in a specific domain.
Abraham Kim