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Security for smartphones is crucial, now that so many of us use them to make business calls, check work e-mail, and store information. We sampled several apps designed to take the risk out of computing on your phone.

In 1970, Dov Frohman was a young electrical engineer working for a relatively unknown 100-person company called Intel. While troubleshooting a problem with an Intel product one day, Frohman stumbled upon a radically new way to record memory on a semiconductor.

This week, Amazon unveiled an Appstore for mobile devices that run on the Android operating system. Here are three business-friendly offerings currently available in the store: Scan2PDF Mobile 2.0 Using this app, you can scan multiple documents with your phone's camera and turn them into a single PDF that you can store on your phone and e-mail to your main computer. Cost: $4.99 SwiftKey This app replaces your standard Android keyboard, and accurately predicts the next word you are most likely to type based on what you've already written

Twitter allows users to lock in use of HTTPS--meaning not just any amateur sitting next to you in a cafe can hack your account. Twitter recently became the latest major site to bow to pressure to make itself more secure. It added the option for users to permanently run the site via HTTPS, a more secure protocol that foils simple hacking strategies that have gained major press of late.

South Africa has launched a Long Range Identification and Tracking (LRIT) system , a sophisticated network of satellites meant to monitor sea vessels and track down pirates. Somali pirates are increasingly moving South, putting South African vessels in greater jeopardy. Last year alone there were over 400 incidences of piracy off the horn of Africa, resulting in $238 million in ransoms.