Is it caring or overbearing?
Many parents are turning to their phones to keep tabs on their adult children - but is this OK (if they agree to it) or is it a sign of mums and dads struggling to let go?
Dad-of-two Steven Medway, 53, has his whole family set up on a tracking app and couldn't understand why it was such a divisive subject among fellow parents.
He said it became particularly useful when his daughter Martha moved 100 miles away from home for university.
"She feels a little less distant when you've got that," he said.
