> "...the primary reason to wear the devices isn’t to lose weight — it’s to be more active. But even in this respect, it didn’t work nearly as well as we might

> "...the primary reason to wear the devices isn’t to lose weight — it’s to be more active. But even in this respect, it didn’t work nearly as well as we might hope. In the IDEA trial, those who employed the technology were no more physically active than those who didn’t. They also weren’t more fit."