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.

Facebook turns News Feed into 'personalized newspaper'

As expected on Thursday, Facebook announced a major overhaul to its News Feed that will now offer users customizable feeds that present specialized posts.


Phone unlocking ban could hit you in the wallet

Phones bought after January 25 can no longer lawfully be decoupled from a carrier by the owner of the device. How did this decision come to rest with a single non-elected, non-technical, elderly librarian in Washington?


Facebook Graph Search turns 'Likes' into searchable data

The social-networking giant gives users Graph Search, a new way of searching through the massive amounts of content on the site.


TechHive: Who's got more digital content, iTunes or Amazon?

How are Amazon and Apple shaping up when it comes to the amount of digital content available? TechHive breaks down the numbers for music, ebooks, movies, and more.

SXSW 2012: Browser Firm Opera Talks HTML5, Successes, and Challenges

Opera, and other browser makers, face multimedia challenges as HTML5 becomes a reality on mobile devices and desktops.

Hands on with Google+

Google's new social networking site Google+ has a few rough spots, but PCWorld's Megan Geuss and Mark Sullivan think it's a strong start to the search giant's challenge to Facebook.

Nexus S 4G: Gingerbread phone gets a 4G boost

Google and Samsung's joint collaboration is enhanced with Sprint's 4G data speeds, but the Nexus S still has a few hardware oversights.

LG Optimus Black: Impressive though modest Android phone

This 3G phone won’t break any speed or performance records, but its stylish design and no-nonsense user interface may be just right for some users.

AT&T's dockable Atrix 4G: Impressive phone, but no genre-breaker

This dual-core phone is fast and boasts solid data speeds, but the Atrix-powered laptop accessory is a good idea poorly executed.

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Smartphones making news at CES

There's plenty of smartphone news coming out of Las Vegas this week. PCWorld's staff summarizes the highlights from an Android-heavy show.

Verizon Wireless Fivespot

The Fivespot is a global version of the mobile hotspot, supporting both major versions of 3G technology (CDMA and GSM) and laying the foundation for Verizon’s claim to provide global data service in over 200 countries, with more than 120 of these at 3G speeds.