ZBD Displays system have been touting Electronic Shelf-Edge Labels (ESL) for some time and indeed back in 2006 had a couple of small pilots with people like Tesco.
Tesco has just announced a big ESL deal with Swedish vendor Pricer.
Pricer has said that Tesco ordered 400 units for the delicatessen counter of one store and an additional 2,750 units for the dry-grocery department in the same store.
ESL of course reduces printing costs and the labour needed to make price changes.
The Pricer labels are DotMatrix – a 90mm display and a 106mm for the deli counter and both allow price and information to be updated wirelessly in real time (the pixel-based displays require little power).
Elsewhere in Europe folks like Carrefour have deployed more than 11 million electronic labels and Casino which has 7 million in its stores.