London's Metropolitan Police have been trialling facial recognition technology in some of the busiest areas of the city recently. We went down to have a look at the operation and ask whether this tech will keep us safe, or whether it's another invasion of our privacy.

It has emerged that several UK-based companies are considering giving their employees surgically-implanted microchips. We look at companies that have done this in the past and whether this is the thin end of the wedge for intensive and intrusive employee scrutiny