Nowadays, displays are almost everywhere. In the streets, under water, in space, in your homes, schools<sup>1</sup> and offices. Also in your pockets and maybe on your wrists. Chances are, you are reading this on one. How many of them, however, do you feel are seamless part of the environment you want to be in? To how many do you attend at once? And how about at night? Have you ever thought your screen could have been a bit more considerate, or even switched a device off because it produced light you couldn't sleep with? And maybe forgot to switch it back on in the morning?