Tuesday was Super Bowl Media Day at Cowboys Stadium here, and while most of the NFL press corps was busy talking football with players and coaches, a different group of reporters was invited to talk about the technology behind this largest and most modern of pro sports venues.
At TED@Cannes, Gary Wolf gives a 5-min intro to an intriguing new pastime: using mobile apps and always-on gadgets to track and analyze your body, mood, diet, spending -- just about everything in daily life you can measure -- in gloriously geeky detail.