Christopher NullPCWorld

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Christopher Null is a veteran technology and business journalist. He contributes regularly to TechHive, PCWorld, and Wired, and operates the websites Drinkhacker and Film Racket. Disclosure: He also writes for Hewlett-Packad's marketing website TechBeacon.

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.

How to get your online assets in order for when you die

People come and go, but what's online is forever. Here's how to prepare your data for your own passing, and how to manage the digital life of someone close to you who's passed away without preparing.

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.

Become an Evernote power user: 10 must-know tips

An overflowing mess of notes is the enemy. Here's how to attack stacks of content and get Evernote to do your bidding.

8 secrets to super-productive telecommuting

Telecommuting sounds like a dream come true, but it takes effort to stay productive and motivated. Here's how to work from home the right way.

Make your business shine online: 8 steps to boost visibility

Getting seen on the Web can feel next to impossible. Here's how your small business can overcome the odds and stand out from the crowd.

How to advertise on social media: Step-by-step on 4 networks

Before investing in an ad campaign, learn how to stretch your dollar and reach more people on Facebook, Twitter, LinkedIn and StumbleUpon.

Do social media ads really work? We put them to the test!

We placed ads on AdWords, Facebook, Twitter, LinkedIn, and StumbleUpon. Which service provided the best ROI? The results will surprise you.

Meet the Microsoft Office Luddites: Why power users won't live in the cloud

A loyal band of Office power users insists they have no intention of ditching traditional software and joining the cloud any time soon. Call them Luddites, but their reasons are compelling.

How to clean up your business's online reputation

The health of your small business is only as good as the way people perceive it. If someone is badmouthing you on the Web, here's how to clean things up.

How to get started with Google AdWords

Building a genius campaign on the Internet's largest ad network is easier than you think. Here's how to get started and build exposure for your site.

Illustration by Gary Neill

Asus and Samsung tablets top the iPad in satisfaction rankings

The iPad has dominated the tablet category of our annual tech satisfaction survey, but challengers have made great strides in the past year.