Those of us who can still remember old fashioned cash registers in shops and Green Shield stamps are reeling at the pace at which in store technology is marching forward. If you are wondering what Green Shield stamps were then Let me enlighten you. These little green stamps were an early form of reward points for shoppers. You were awarded the stamps for purchases made and collected them in books. The stamps could then be redeemed for free gifts and discounts. Just like today’s loyalty cards really only a lot more fiddly. Continue reading Near Field Communication →