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.

Apple and Lenovo desktop PCs tops in satisfaction

In our reader survey evaluating desktop satisfaction and reliability, performance was the most critical feature.

45,000 PCWorld readers name the brands they love (and love to hate)

Who makes the most reliable computers and gadgets? We asked a small army of PCWorld readers to rate the companies that made their desktops, laptops, smartphones, tablets and printers. The results might change your perceptions of which companies to trust.

When does it pay to outsource your small-business tasks?

Outsourcing critical work abroad can save lots of money, but it can also turn out disastrously. Here’s how to avoid the biggest pitfalls.

Photo by Robert Cardin

Does your small business need a mobile app to stay competitive?

If you listen to the growing chorus of small-business owners, going mobile is becoming a necessity. But what are the real-world costs, payoffs, and drawbacks? SMB owners chime in.

10 business travel gadgets for ultimate portable productivity

Taking your business on the road? This traveler's toolkit can keep you in touch and pumping out PowerPoint presentations, no matter where you are.

6 Kickstarter nightmares, and how to prevent them

Crowd funding has taken investing from the hands of the venture capitalists and given it to the masses. Here’s how not to screw it up.

Prepare your business for digital disaster

Whether thieves or tornadoes threaten your company, protecting your assets from utter catastrophe is easier than you think.

How to run your business in Evernote

Evernote isn’t just for taking notes on the go. Here’s how to turn the must-have app into an essential part of your small-business workflow.

Key strategies for your new organized office

Is a messy desk driving you crazy? Here's how to use technology to get things in order.

10 Tech Expenses Your Business Can Do Without

Improve your bottom line by dumping these technological artifacts.

How to Improve Your Site's Search Ranking Using SEO

Search engine optimization is an ever-evolving craft. We interviewed dozens of experts to glean the most effective tips and tricks.

Five Cool Kickstarter Products of Interest to Small Business

There's more to Kickstarter projects than esoteric watches and iPhone cases.

CLEAR and TSA PreCheck Programs Speed You Through Airport Security

Two programs–one public (PreCheck), one private (CLEAR)–will let you get through security faster, but neither is free, and availability is limited.

How to Analyze Your Website's Performance

Understanding who is visiting your website is critical if you intend to make it big on the Web.

How to Manage Your Business's Online Reputation

Monitor what people are saying about your company on the Web, and set the record straight if things go south.