The annual CES technology conference in Las Vegas runs through Friday and offers a forum for companies to unveil their products and services for the coming year.

Flying taxis and a robot that can fetch toilet paper when you’re stranded on the loo were among the technologies showcased this week at the annual CES gadget show in Las Vegas.

Guess who’s getting used to working with robots in their everyday lives? The very same warehouse workers once predicted to be losing their jobs to mechanical replacements. But doing your job side-by-side with robots isn’t easy. According to their makers, the machines should take on the most mundane and physically strenuous tasks. In reality, they’re also creating new forms...