“There are a lot of things going on in the world these days,” van Vliet explains. “Not all of them are negative, but the sheer volume of ideas, images and information confronting us, and the speed at which it comes at us, can seem overwhelming. Instead of trying to escape, which often seems impossible, people are seeking ways to harden themselves as a sort of emotional self-defense. We see other trends springing from developments in gene modification, increasing surveillance and loss of privacy, and the potential for ultra-high-speed travel.”