smartphones

Smartphones can be used to test for atrial fibrillation, a common heart condition that can cause strokes. But it's still not clear who should use this emerging technology.

Regulators have voted to expand cellphone alerts to 360 characters from the previous cutoff at 90 and to begin including clickable URLs and phone numbers over the next year or so. But no photos yet.

People are playing Pokemon Go while behind the wheel — and then tweeting about it. And causing crashes. Immersive games like this can be even more dangerous than texting, researchers say.

U.S. users trying to take part in Samsung's unofficial recall find themselves winding through a network of stores and unclear guidelines. The government has yet to announce a formal recall.

You can nudge your kids' relationship with digital technology in a more healthful direction, but warning: It's going to require parents to change, too.

Why is Apple pushing users toward wireless earbuds? "Courage," says an Apple executive. Other news from the Apple event involved Super Mario, Pokemon Go and water-resistant features.