Electronic labels for retail are known and are in use for more than a decade at store however it is still in small number of places. Now when the Android tablets are out there and advancing everyday would you believe it can take offer the electronic labels at the store. We are discussing here labels with less than 5 inch screens. How low can such tablet wifi based can go down to be places on the shelves of the retails stores in big numbers scale? Did toy manage to see some used as mini signage?