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.