I just went for my first run with a Nike + unit connected to my iPod Nano. I am very very impressed. I think this device is a great use of different tech that has significant potential to improve the fitness of anyone who uses it.
First the technology, there is a sensor which is placed on your foot to monitor your speed, it links wirelessly to an attachment to your iPod. Accelerometer right ? Wrong, Piezo-electric sensor, as you place each foot down the change in pressure is monitored to assess your pace. This of course not as accurate as a GPS but at only $3o a lot cheaper and works great around NY and London trees and is not bothered by trees. I loved the fact that a voice from the iPod keeps you updated with your time or distance. Right now that is all it does but I think there is huge potential for some more sophisticated software to act as a personal trainer and motivate you to improve your fitness.
Monitoring your pace and urging you on to improve your cadence rate, increase speed or slow down as required to meet your goal targets. Also if they introduce a heart rate monitor then a voice could tell you to slow down or speed up to meet your exercise goals. I'd love a personal trainer like this. It would be a great motivator. I can't wait for the next version of the Nike + software and hope these kinds of features are included.
In summary we have a combination of piezo-electric sensor, wireless tech, and existing iPod to change the exercise experience. I think this is truly innovative.
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