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.

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Free videoconferencing tools: 5 creative ways they can help you get things done

Skype, GoToMeeting, and their ilk need not sit idly between meetings. Use the services to collaborate, train employees and more.

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10 Firefox add-ons for boosting productivity

Stay on task and streamline your workflow with these browser tools.

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The top 14 hidden features in Windows, iOS, and Android

Betcha don’t know all these nifty tricks and time-saving tips to boost your productivity. Whichever OS you use, there's something here for you.

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ZoomPresence review: DIY telepresence system is a struggle to set up

Zoom's low-cost telepresence tool has some nice features, but lack of documentation makes installation a hassle, and you have to gather all the hardware yourself.

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Adobe revamps Connect's collaboration features

The latest release of Adobe's business videoconferencing tool includes simpler screen sharing, expanded whiteboard capabilities, and deeper social media integration.

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Dragon NaturallySpeaking 13 review: Better than ever at letting you speak freely

The gold standard for speech recognition software gets even better with added features and 15 percent more accuracy.

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10 tools for more productive telecommuting

Keep in touch with co-workers, track your time, and block distractions with these apps and services.

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You don’t know Docs from Drive: Google’s productivity apps, explained

Docs or Drive? Apps for Business or Drive for Work? Follow our guide to determine which Google service offers what, and which one is best for you.

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10 videoconferencing tools for small groups

Get everyone on the same page—literally—with these video chat and conferencing solutions.

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Perfect tablet typing: The best tips, apps and add-ons

How's that touchscreen keyboard working for you? These tools will help you become a fleeter-fingered typist.

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7 ways to use social media to get work done

Facebook, Twitter and other social tools don’t have to suck away your work day. Here are some strategies to use them productively.

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Destroy them all: We brutally review 5 professional document shredders

We dared these shredders to make mincemeat of credit cards, optical discs and stacks of paperwork. See how they ran.

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5 cheaper alternatives to Acrobat for PDF editing

Why pay Adobe $299? Here are six other ways to work with PDFs at a fraction of the cost.

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The moral of the Twitter-GoDaddy breach: People are the easiest thing to hack

High-tech security measures fell before good, old-fashioned con artistry.

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Why the fax still lives (and how to kill it)

Legions of users are still clinging to these analog relics (for some surprisingly good reasons). But here's how to cut the cord.