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.

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.

Dropbox update eases worries over offline access to business data

New Dropbox APIs mean any app could become a hybrid online/offline system, allowing true access from anywhere, anytime.

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Businesses are loaded with customer information, but unable to act upon it

Business owners think they have a great understanding of their customers, but a new survey shows they're completely clueless.

13 technologies fit for the Founding Fathers

Imagine how it must have been for the Founding Fathers around this time in 1776, when they had to sit down, write, and ratify the Declaration of Independence. Let's give our forefathers a high-tech leg up with these 13 technologies, and let freedom (and even some free products) ring.

fake twitter accounts

Fake Twitter-follower market is adapting, growing, and getting ever cheaper

The market for buying social media fans is more vibrant than ever, and services designed to detect scammers are proving increasingly useless.

Tablets in bed are damaging sleep and killing productivity

Experts urge consumers to keep phones and iPads out of the bedroom.