I think that is a good point. The author said he was walking/biking 10k a day, so he probably could use a whole different class for device. For the person who i

I think that is a good point. The author said he was walking/biking 10k a day, so he probably could use a whole different class for device. For the person who is struggling to get up to 10k steps a day, these devices are useful. I do think they really need to improve durability. My wife is on her third fitbit flex in 6 months.