Mark SullivanSenior Editor, TechHive

Mark has been writing about networks - social and wireless - since 2005. Independent and outgoing, he enjoys travelling, wine, and skiing. His favorite book is "Atlas Shrugged" by Ayn Rand.

earbuds primary

Separate the sound from the fury: 5 in-ear headphones for your smartphone

We found lots of things to like, and some things to dislike in popular new in-ear headphones from Beats, Bose, Bowers & Wilkins, Harman/Kardon and Shure.

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beats music

7 things Beats Music must do to beat Spotify

With Spotify dominating the streaming music scene, Beats hopes to bring a better music curation system to the party.

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How to keep your mobile devices safe this holiday season

Many thousands of smartphones and tablets will be lost this year. These tips, tricks, and apps will help your gadgets make it safely into the new year.

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How to find free Wi-Fi during your holiday travels

Roadside businesses offer free Wi-Fi for the same reasons they offer public restrooms. Here’s how to find it and how to use it.

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Pay TV as we know it will be dead by 2025, and this is how it will happen

It all started with the 2013 Emmy Awards ceremony, and went downhill for cable and broadcast TV companies from there.

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Apple's big-screen TV was a no-show at WWDC, but analysts say it's coming soon

Apple has conquered every important screen in our lives except one. The big screen in the living room is the final piece of the puzzle, and one day soon the Apple logo will be there too.

Parsing Prism denials: How could everyone possibly be telling the truth?

A number of theories are still available to make all the carefully worded statements and shifting facts sing harmoniously together today.

Infographic: How fast are America's wireless networks?

We found a wide variety of speed scores in our tests—3G and 4G, upload and download, slow, fast, ugly... Here are the results in a nutshell, and how they reflect real-world smartphone use.

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AT&T clocks best overall speeds with 3G/4G combo

Verizon may have more LTE coverage, but AT&T's combination of fast LTE and reasonably fast HSPA+ service will keep most users in the fast lane most of the time.

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AT&T has fastest LTE service, T-Mobile off to strong start

For the second year in a row, AT&T's LTE service proves to be the fastest in our nationwide study, while T-Mobile LTE is spreading rapidly and performing well. Verizon LTE is reasonably quick and available everywhere, while Sprint lacks speed in urban centers.

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3G Tests

T-Mobile wins 3G shootout, Sprint and Verizon speeds fade

On the strength of high speeds in East Coast cities, T-Mobile 3G showed the highest 20-city average in our study, but network performance was hardly consistent nationwide. Sprint and Verizon averaged well less than 1 mbps for downloads.

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How we tested the nation's networks

Our approach to testing wireless service has always been to closely replicate how people use wireless service in the real world, and then measure how well it really works. That’s why we do the testing ourselves.

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TechHive's Wireless Week: Testing America's networks

We performed more than 18,000 tests of the major wireless services in 20 U.S. cities. Our goal? To name the nation's wireless-network winners and losers.

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Vizible shows images tweeted by people around you

The simple app might be especially useful for quickly getting lots of views of events happening locally and right now.

Hands on with Facebook's new News Feed

Mark Sullivan went to Facebook and got a glimpse at the service's new News Feed. Here's a hands-on look.

on techhive.com