With cash, “they need to keep change in the registers, it slows things down, it creates issues of hygiene because money is dirty. A Starbucks cafe in Seattle 's Russell ##s Center is piloting a cashless scheme to see what impact it has on the customer experience , according to a spokeswoman , who gave no details about the trial 's duration . Jonathan Cohen , professor of finance at the University of Washington ’s Foster School of Business , dismissed claims that a cashless store discriminated against unbanked customers . The company is due to reveal quarterly figures in the coming months , and earlier said slow sales growth was down to the success of its app - based mobile order - and - pay service .
A Starbucks cafe in Seattle 's Russell ##s Center is piloting a cashless scheme to see what impact it has on the customer experience , according to a spokeswoman , who gave no details about the trial 's duration . Jonathan Cohen , professor of finance at the University of Washington ’s Foster School of Business , dismissed claims that a cashless store discriminated against unbanked customers . The company is due to reveal quarterly figures in the coming months , and earlier said slow sales growth was down to the success of its app - based mobile order - and - pay service .