Christopher NullPCWorld Follow me on Google+

Christopher Null is a veteran technology and business journalist. He contributes regularly to PC World and Wired, and is a technology columnist for Executive Travel magazine.

Microsoft consolidates startup support activities with Microsoft Ventures

Pssst, want money for your startup? Microsoft would like to speak with you

Trouble with Bitcoin as the government muscles in

Cease-and-desist letters, extreme volatility, asset seizures—it's all in a day's work for the world's most interesting currency.

facebook insights

Facebook rolls out updated Page Insights

More useful data analytics coming later this summer.

coffee shop workers

Today's workers demand flexibility, mobility—and Facebook

The corporate office is dead. Long live Starbucks.

Evernote adds Reminders, extending task-management options

Alarms galore arrive on the must-have app.

The end of Symbian: Nokia ships last handset with the mobile OS

Two years ago, Symbian was still the #1 mobile operating system. What happened?

Dunkin' Donuts

Dunkin' Donuts flap proves the power of social media and a cool head in business

Video doesn't lie: When an angry customer took her complaint online, the donut shop came out on top.

Cities search for solution to phone-theft epidemic

With smartphone theft exploding, businesses face extreme risks

unhappy worker

Make your employees happier: Limit multitasking

Over-reliance on digital communications may be impacting job happiness and performance.

How small businesses can unravel the extended-warranty conundrum

Are extended warranties a sucker's bet or valuable peace of mind?

What Intel's Haswell CPU has to offer business users

How Intel's 4th generation Core CPU impacts business buyers

facebook delete my account

Facebook backlash sees small businesses following suit

Users are increasingly expressing dissatisfaction for Facebook, and business owners are taking notice

Lenovo-A3000

Lenovo faces uphill battle in U.S. smartphone market

Can the brand behind ThinkPad crack the Apple/Samsung duopoly?

Twitter's Lead Generation Card expands social media marketing options

SMBs get an easier way to connect with customers.