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.

What Intel's Haswell CPU has to offer business users

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

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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.

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

Discover how to stay productive when you spend more time behind a steering wheel than behind a desk.

How Apple's offshore tax mess could impact your business

Can your small business get in on the excitement of overseas tax shelters?

Should your business start accepting Bitcoins?

Will the alternative currency make or break the bank?

9 social media mistakes your business must avoid

One errant or rogue post can derail your business’s reputation. Learn what not to do from these real-world cautionary tales.

Does Google+ matter for small businesses?

Google+ is a ghost town for corporate America. Should your small business spend time cultivating a Google+ presence?

Why Yahoo's telecommuting ban is still bad for business

With 63 percent of businesses now supporting telecommuting, CEO Marissa Mayer digs in on her controversial ban against working from home.

Five easy steps to going (almost) paperless

No more file cabinets. No more paper cuts. How to sift, scan, and store your way to a near-paperless existence. You can do it! Here's how.

E-signatures: The complete guide to paperless signing

Click-to-sign documents are just as legal as pen-and-paper versions. Here's how to implement e-signatures in your small business.

Worst Tech Habits

The 21 worst tech habits—and how to break them

Your keyboard is just one spill away from dark roast Armageddon. Sound familiar? Then you have a very bad tech habit, friend. Allow us to help.