Mark Sullivan

Mark SullivanSenior Editor, PCWorld

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.

Data Snatchers! The Booming Market for Your Online Identity

10 months ago in Security

Windows Phone 7 Users Can't Upgrade to WP8

11 months ago in Phones

Windows Phone 8 Will Be Deeply Integrated With Windows 8 OS

11 months ago in Phones

Microsoft Announces Surface Tablet PC

11 months ago in Tablets

Why Google+ Can Still Beat Facebook

11 months ago in Social networking software

Google Beefs Up Maps as Apple Breakup Nears

11 months ago in Gadgets

Facebook IPO, Nvidia GTC, Diablo 3, and Lenovo ThinkPad X1 Carbon on PCWorld Podcast #138

12 months ago in Social networking software

TechHive Infographic: 4G LTE Speeds, Verizon vs. AT&T

techhive.com

Our infographic shows each carrier’s average LTE speed in the cities we tested where both LTE services are offered.

Ebook for Tech Travelers Compares U.S. Airport Amenities

1 year ago in Productivity software

Facebook IPO: Why Your Data Is Worth $104 Billion

1 year ago in Social networking software

4G Mobile Hotspot Face-Off: AT&T, Verizon LTE Hotspots Fight to a Draw

1 year ago in Networking

Sprint Launches 'Tri-Fi' 4G Mobile Hotspot

1 year ago in Networking

3G/4G Performance Map: Data Speeds for AT&T, Sprint, T-Mobile, and Verizon

1 year ago in Phones

3G/4G Performance Map: Data Speeds for AT&T, Sprint, T-Mobile, and Verizon

1 year ago in Phones

3G and 4G Wireless Speed Tests, Windows 8 Editions, and Google Drive on PCWorld Podcast #136

1 year ago in Phones