A measuring device that counts your steps throughout the day, remembers your walking routes or tracks how long you sleep. What do these metrics do with you? And is it at all healthy to continuously focus on numbers, scores and graphs? Jard Struik investigates sport watches and fitness trackers. And he throws his sport watch into the dryer and ties it to a drill. Everything for a better score.

• Jard Struik
• Quinty Misiedjan