Christopher Null

Christopher NullPCWorld

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.

Today's workers demand flexibility, mobility—and Facebook

8 minutes ago in Business Issues

Evernote adds Reminders, extending task-management options

2 days ago in Productivity & social

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

5 days ago in Business mobility

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

1 week ago in Productivity & social

Cities search for solution to phone-theft epidemic

1 week ago in Business security

Make your employees happier: Limit multitasking

1 week ago in Productivity & social

How small businesses can unravel the extended-warranty conundrum

1 week ago in Business Issues

What Intel's Haswell CPU has to offer business users

2 weeks ago in Office hardware

Researcher cracks the code on what makes a tweet popular

2 weeks ago in Productivity & social

Facebook backlash sees small businesses following suit

2 weeks ago in Productivity & social

Lenovo faces uphill battle in U.S. smartphone market

3 weeks ago in Business mobility

Twitter's Lead Generation Card expands social media marketing options

3 weeks ago in Productivity & social

My car, my office: Essential gadgets for the road warrior

3 weeks ago in Business mobility

How Apple's offshore tax mess could impact your business

3 weeks ago in Business Issues

Should your business start accepting Bitcoins?

4 weeks ago in Business Issues