Sex robots have sat silently, unblinking and motionless, on the fringes of the broader technological, cultural conversation for the better part of a decade, and as a concept for much longer back than that. Good news for sex robot enthusiasts lies ahead though: Sex robots are developing at a faster rate than ever. On the high end they can be connected to the internet, and on the low-end of innovation, some feature so-called “warm genitals.”