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.

HTC's Flyer May Be a Standout in Crowded Tablet Market

The new tablet uses a special version of HTC's Sense overlay software to create a unique user environment.


Mobile Payments in US Mired in Fight for Control

T-Mobile’s parent Deutsche Telekom is excited about mobile payments, but believes a power struggle between wireless carriers, credit card companies and banks may slow acceptance in the US.


T-Mobile Announces Two Budget Android Phones

The new phones, while unimpressive specs-wise, could cost only $50-$75 (with contract) when they become available this spring.


Hands On with Samsung's Galaxy S 4G Smartphone (Video)

The phone doesn’t have the latest and greatest specs, but the fast HSPA+ technology inside it might make for some impressively speedy performance


LG Announces 3D Smartphone and Midsize Tablet

The LG Optimus PAD will begin selling in April, the LG Optimus 3D in May.


Sony Ericsson Xperia Play Gaming Phone: Hands On

Android 2.3-powered device isn’t the prettiest phone, but the gaming controls and graphics impress.


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.


Famous Facebook Flip-Flops

The social networking goliath has made a number of hasty moves over the years, and often has had to reverse course on them. Here are some of our favorites.

AT&T Launching a Mobile Hotspot App February 13th

App will debut on HTC Inspire 4G, and includes additional 2GB of data.


Samsung Galaxy S 4G on T-Mobile Coming This Month

Carrier says the new phone will be its first to fully exploit the new faster speeds of its HSPA+ network, but some key specs disappoint.


T-Mobile Outlines Plan to Become a 'Challenger' in Wireless Market

The nation's fourth largest wireless carrier hopes to return to prominence with high data speeds and low-cost devices and plans.

First 4G Apps Are Visual, Real-Time

HD video streaming, video calling, and multiplayer gaming will likely become the first hit apps for 4G networks.

Is a Sprint iPhone on the Way?

Sprint has a press event scheduled February 7. The same CDMA iPhone announced by Verizon Tuesday is compatible with Sprint's wireless network.

Verizon iPhone Could Be 4G ‘World Phone’

The new phone will support Verizon’s LTE network, as well as GSM-based wireless networks around the world.


Verizon iPhone Predictions: What It'll Look Like Inside and Out

Verizon is widely expected to (finally) announce its version of the iPhone on Tuesday in New York.