You ask yourself with a piece of music, i asked myself when i'm doing the painting. it is a very physical thing as well. i don't really see the difference, for me as an artist in making these things. they are very much the same. they may seem a little old—fashioned these days — but when they first pinged onto our phones, text messages were the last word in cool. now the first text ever sent has been sold, for more than $120,000. it was auctioned in paris as a non—fungible token. text messaging, it's hard to imagine a world without it, but do you know when people first started texting eac...