The EHI Technology Days in Cologne, Germany, delivered a taste of the upcoming EuroCIS. One important topic in Düsseldorf is going to be cashless payment. For a long time, its share in German retail has stagnated at just over 40 percent. Now “mobile money” is hitting stores. But retailers are spoilt for choice: cards and cell phones with a wireless chip competing against cell phones that also turn into wallets without a chip.