The German company Lixx specializes in cool spare parts for your bike, like tattoo-inspired parts and handcuff locks to safeguard your bicycle. At the London Edge, Lixx showed up with a very cool booth in which all of their awesome parts were placed in bowls on a conveyor belt--almost like a sushi treadmill.
If customers were interested in a part, they simply plucked it from the treadmill and purchased it.
Implications - Talk about convenient shopping. This concept would work super well in a seniors home as it requires little movement. I could totally get use to picking out all of my shopping on a conveyor belt like this!