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Ordinary shopping trolleys look old fashioned and are greeted with a smile. Some have technical weaknesses, and a low level of usability.
Additionally regular trolleys are not designed to replace the use of a shopping cart. People have to repack their shopping items for barcode scanning
In the near future, the technology of RFID labels will simplify and accelerate the shopping. Items will automatically be scanned with a radio frequency, upon leaving the store.
This new interpretation of a trolley, shell encourage people to do their shopping by foot or by bike. This shopping aid is a shopping cart, a trolley and a bike trailer at the same time
Herr Prof. Volker Zölch