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How to remotely log out of Gmail

If you've left Gmail logged in on another computer, there's a quick and easy fix.

on pcworld.com

NHK's 8K display at NAB 2014

I'm OK, you're… 8K? 8K broadcasts coming in 2020

As 4K TV prices become more reasonable and content starts to trickle out, Japanese broadcaster NHK has its sights set on the next step: 8K.

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Samsung Galaxy S5 review: Improved phone still a step behind other Android models

There's plenty to like about the Galaxy S5, even if it can't measure up to the newly released HTC One (M8) as an Android smartphone.

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Fed up with Facebook, Eat24 pens a break-up letter

Some companies are angry about Facebook’s News Feed algorithm changes, but only one is publicly leaving the network altogether.

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Fire TV review: Amazon's set-top box is cooking with gas

Amazon's first media streaming product packs plenty of power and a handy voice search feature. Oh, and it plays games too.

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Video review: Sony's Xperia Z1S smartphone

The latest flagship phone from Sony has a vibrant screen and snappy processor. Too bad it's limited to just T-Mobile's network here in the U.S.

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Phantom flying drone shoots improved, more stable video

The Phantom 2 Vision Plus has an improved three-axis gimbal for video stability

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Digital media industry ramps up support for 4K at broadcasters show

Equipment makers such as Cisco, Sony, Red Digital Cinema, and Panasonic are opening the door for live broadcasts.

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Meet California's first Bitcoin ATM

In this video report, we'll see a demo of how a machine built by Las Vegas-based Robocoin lets you buy Bitcoins with cash or sell them from your digital wallet.

Microsoft's Cortana voice assistant to compete with Apple's Siri, Google Now

At Microsoft's Build conference in San Francisco this week the company debuted Cortana, a voice assistant for Windows Phone similar to Google Now and Apple's Siri.

75+ ways to get the best out of Windows 7 and Windows 8