OLED display trainers (programmable colour/image on your trainers)
Voters:
Pram/Trolley combination (so mum's don't have to push both around the shop)
Voters:
Active track parcels/letters (so you can see the exact position of parcels in real time)
Voters:
Online receipt system (Downloadable copies of your receipts, so you can return items even if you lose the receipt)
Voters: