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.

Facebook feed change makes businesses work harder for eyeballs

Resurfacing of "engaging" posts may penalize brand content

Six alternative tools for small business collaboration

Pack up Basecamp and put a sock in Yammer. These off-the-beaten-path cloud services offer more, and frequently at a fraction of the cost.

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Facebook hashtags 'not driving additional engagement'

Did you know: Facebook has hashtags?

Samsung SMART Camera gets smarter with Evernote integration

New update lets you sync photos directly from your digicam.

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Facebook courts small companies with Facebook for Business

With its new portal, the social network offers marketing tips, case studies and advice for navigating its increasingly complex ad system.

Business travel expenses plummet, but SBOs are picking up more of the bill

Minimize travel and entertainment expenses with these technologies and tips.

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Small businesses turning to Facebook and LinkedIn for social media branding

Twitter not as important to SBOs as many might think.

LinkedIn launches Sponsored Updates

Content marketing options come to the social network for businesses

Inside e-ployment: Online staffing services put temporary labor within reach of small businesses

Need staffing for a few days, an entire project, or even permanently? Online employment services offer thousands of virtual or onsite prospects, with varying levels of pre-screening and management.

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SIM card hack has severe implications for business

Individuals are at risk from new SIM card vulnerabilities, but businesses have it even worse.

Guest blog posts drawing scrutiny from Google

New SEO advice says that guest blog posts may now be counterproductive.

With the arrival of its first mobile app, IFTTT is ready for small business

iPhone app lets users create recipes wherever inspiration strikes

Xbox One: Built for… Business?

Microsoft pitches its latest video game console as a tool for small business owners. No, really!

Gaming Twitter: How one man turns fake followers into windfall profits

Wonder why the fake-follower business is booming? Because it's easy and profitable. An insider shows us how it all works.

Mobile queuing app promises to take the pain out of waiting in line

QLess lets customers enter virtual lines via their smartphones and gives businesses valuable data.