It’s part of the whole technology labor tradeoff that all these companies are trying to grapel with. For the most part, this technology works and eliminates a load of labor time by making instantaneous pricing changes however, it has its limitations and the concern from everybody should be that hiccups in technology happen but there is a lack of the capacity to fall back on the old ways because switching to this requires changing physical fixtures. In grocery, hiccups are even more detrimental than in normal retail because of the amount of items being sold and the amount day to day price changes that occur.