Today we live in a digitalised world – old news, you might say. Our fridges communicate with online stores to tell them when we are about to run out of milk. Our cars arrange the next service with the garage themselves. Our smartphones know everything there is to know about us – and shops and supermarkets have done for a long time, thanks to apps. So what can we expect in the near future? Or put it another way: what will soon make our lives as customers or retailers easier? We present some important concepts and their applications – from A to V.