Having used one, I guess people just behave differently. For example, when riding an elevator, you might be looking at your smartphone, but if you take the sta

Having used one, I guess people just behave differently. For example, when riding an elevator, you might be looking at your smartphone, but if you take the stairs, you don't. Getting onto and off a paternoster is pretty exciting, so you won't be bored enough to look at the smartphone :-)