3 ms·Natural User Interfaces are not Natural2 points by jaydub 16y agobediger 16y agoLet's face it: humans have to learn all interfaces. Nothing is intuitive, not even the nipple.zephjc 16y agoThe nipple is absolutely intuitive - it's instinctive. All baby mammals suckle for it. Though, of course, maybe less instinctive for adult mammals :-)bediger 16y agoI'm going to take a wild guess and state that you (or your wife or partner) haven't had children.