With the Consumer Electronics Show in Vegas in full swing, many manufacturers are hoping to hit the headlines with a bang, but for the makers of Promobot, an autnomous robot designed for business, this happened quite literally when one of its fleet was taken out by a Tesla.

An artificial intelligence that dislikes women or people of color sounds like a concept straight out of a Twilight Zone episode. Instead, it's reality. How did we get here? Is it possible to build an AI that won't reflect the bone-deep prejudices that exist in the real world?