Why are there so many types of cats?
Why are there so many types of cats?
user
A little background context:  Historically, there has been just a small number of domestic cat breeds, typically kept for work or for hunting rodents.  Recently however, there has been a boom in the number of cat breeds, due to hobbyists breeding cats and placing them for sale on a number of internet sites.  You can see a brief overview of cat breeds here.
assistant
So it has been humans that have made there so many different kinds of house cats?
user
Yes.  Another important factor has been the desire of cat owners to get a cat that matches their own personal tastes.  For example, some people have a preference for small cats, or fluffy cats, or cats with a very particular color or appearance.
assistant
It is basically a marketing thing?
user