These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Periphery Demographic: Marketing example: Audiomachine originally marketed its music only to film studios but the common interest to the music eventually led a lot of songs released to the public to buy as well .