I thought this was a joke the first time I heard about it. First, the idea is that this cup will tell you whether you are drinking beer or juice. Second, it has some of the most meaningless marketing-speak I have read in a long time. Get this:
...craft an object that would possess a unique yet subtle presence on a tabletop. The spill-proof lid, non-stick interior, and durable build will allow you to be confident on the move.