Because they're zombies, robots, and clowns. On Wed, Jul 11, 2012 at 11:00 PM, Dave Monroe <against.the.dave at gmail.com> wrote: > http://www.cnn.com/2012/07/11/health/uncanny-valley-robots/index.html > > Uncanny valley > > http://en.wikipedia.org/wiki/Uncanny_valley