Well, it’s actually Croatians. The Croatian medical students with whom I worked in Ravenna last week. More than once, they asked how sex has changed since the invention of the internet. It’s an important question. On the one hand, there are some tangible ways: * Porn is now available everywhere, all the time, in every possible configuration. * There are new ways to meet people for sex: escort services, apps like Grindr, websites like Ashley Madison and Sugar Babies. * It’s easier than ever to buy sex toys, lube, condoms, and other products, with privacy and low prices, from reliable…