There are countless ways technology can improve our daily lives – but, when it comes to parenting, it may be best to err on the side of caution. A chilling new trailer for the Netflix hit Black Mirror taps into the worries known by every parent; in just an instant, a child can disappear from sight. The new season is set to explore the desperate move of a mother who, after a scare at the playground, decides to get her daughter fitted with a brain implant. But, if the previous seasons are any indication, the device will bring unintended consequences. A chilling new trailer for the Netflix hit Black Mirror taps into the worries known by every parent; in just an instant, a child can disappear from sight.