After living with activity trackers meant to help him stay fit, columnist Danny Sullivan finds "big data" didn't translate into more motivation. Danny Sullivan is a journalist who has covered the ...

Objective To determine the effectiveness of physical activity interventions involving mobile applications (apps) or trackers with automated and continuous self-monitoring and feedback. Design ...

I’m a few days in with Oura’s latest activity tracking updates, which rolled out in mid-April. At a glance, the refinements are all about smarter, more meaningful activity tracking. The biggest change ...