We've seen some insane signs: 'Is that a loaf of bread in your pocket, or are you just happy to see me?' Funny stuff along those lines. Very original. One just said, 'I will do unspeakable things.' I thought that was very interesting - and mildly terrifying! ↗
Practically everyone is going to have a general purpose computer in their pocket, it's so easy to underestimate that, that has got to be the really, really big one. ↗