The change is Design an App to find and sell pre-owned items from a new, original second-hand marketplace. We can find nowadays tons of marketplace, also social network can sell or display second-hand products.
When designed this, I looked at many sites and they all looked quite massive. The main problem was to come up with an alternative idea of second-hand product, different from competitors and to tell about the unique expieriece when you are in #Guccifamily.