Our personal space is like an invisible sphere around us, reaching from our bodies at the centre to the tips of our fingers. Ironically, this is also where many of us keep our phones - the windows that lets us see into the rest of the world - and the door that lets the rest of the world into our personal space. What’s the best way to control who comes in, and what do we need to do when we want to close it?

Produced by Kate Bissell