Quantified Self - that's the name of a movement that began in the US, and is rapidly gaining adherents in Germany. With the help of portable computer devices, self-trackers measure a wide range of bodily functions, from heart rate to posture, and post the results on line to compare with their friends.
Advertisement
Are they little more than control freaks, or do Quantified Self members actually live healthier lives? We look at the medical and privacy issues that new technology is opening up.
