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What caught our eye at Mobile World Congress 2014

Our intrepid team of reporters outlines three trends -- low-end smartphones, convertible tablets, and improved mobile audio -- that dominated their week in Barcelona.

Smart toothbrush lets you sync with an app, be a toothbrushing rockstar

Oral-B's Bluetooth toothbrush aims to make oral hygiene fun, with videos to entertain you and even achievement badges. But will four out of five dentists approve?

Mio's wrist monitors keep tabs on your heart rate

Say goodbye to those uncomfortable chest straps. Both the wrist-worn Mio Alpha and Mio Link promise to accurately measure your heart rate during exercise.

Drop your phone in the toilet? Nanotechnology could save it

A microscopic coating from P2i coats the electronics inside smartphones to prevent the phones from short circuiting after getting wet.

YotaPhone's e-ink smartphone display designed to save battery life

Yota Devices's updated dual-screen smartphone arrives later this year. Find out more about how it uses an e-ink display to save battery.

Record and watch from any device with the V@Home TV Gateway DVR

When it arrives in the U.S. later this year, this whole-home DVR from VBox will let you watch and record live TV on multiple devices at once.

Keep tabs on loved ones with the I'm Tracer GPS tracker

The Tracer has GPS and a SIM card that works with more than 500 carriers around the world, making it ideal for family vacations or solo adventurers who want to let people know that they're doing OK.

Hands on with the HP Pavilion x360

It looks like a laptop, but it's actually a pretty cool hybrid. Melissa Riofrio has the details from Mobile World Congress.