Pew Research has a new report on how American teenagers use social media and related technologies.  I’ve long admired and drawn on their research.  Today I’ll share highlights and some reflections on this publication, especially aimed

Fitbit makes an array of fitness trackers, from basic fitness bands to full-fledged smartwatches, though the best Fitbit smartwatch isn’t technically a Fitbit. | Photo illustration by William Joel / The Verge Whether you