As I ate my 347 calorie salad – simultaneously musing on how French dressing could make up 144 of them – I switched furiously between the two running route analyses. This was just preposterous; the GPS signal must have been confused; I must have been held up overtaking that tourist group for longer than I realised; or perhaps the app is just useless and all previous improvements in pace were bogus.
My desire to count stuff is easy to poke fun at. It's probably pretty unhealthy too. But it's only going to be encouraged over the next few years. Wearable technology is here to stay. Smart phone cameras are also heart rate monitors. Contact lenses can measures blood sugar. And teddy bears take your temperature. A 2011 market assessment, estimated that there will be 80m sports, fitness and "wellness" wearable devices by 2016."