Asian wine-by-glass innovation

The two most creative ideas for selling wine that I have seen recently have both been in Asia.

You know when you order wine by the glass and then forget exactly what it was you ordered? Or several of you order different wines and they are all served together so both you and the server have difficulty remembering exactly what's in each glass? There is a very simple and elegant solution which you may have come across already but I have yet to see a repetition of what I encountered last year in one of China's many snazzy new, or...