To encrypt its data, the pen uses an algorithm called Rijndael, which the National Institute for Standards and Technology is planning to use as the Advanced Encryption Standard, which will replace the existing Data Encryption Standard (DES), which is currently being phased out of use.

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The algorithm that Facebook uses to alert users of trending topics in their news feed misidentified traffic this weekend about the death of Beastie Boy Adam Yauch (MCA)with the demise of Micro-Channel Architecture (also MCA).

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The company uses a patented algorithm and search technology, and actively monitors job quality to provide a real-time snapshot of all job openings available right now.

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Various anti-spam programs use several techniques to spot and kill junk mail, but IBM believes the Chung-Kwei algorithm to be the only anti-spam tool that uses pattern discovery in this way.

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Lee Loree, managing partner of Innovative Sleep Solutions, says the device uses a "proprietary algorithm" that decides when to wake you.

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When a stone is identified as a borderline case between two grades, the system uses an optimisation technique, called a genetic algorithm, to explore the different ways in which the stone could be cut to maximise its value.

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We also received a quick demo of TuneIn, an iPhone app that pulls in radio stations around the world, featuring recommendation features like a Favorites button, local trending and a Jump button, which uses an algorithm to pull songs and the like based on your listening habits.

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Instead of simply scanning for keywords, Crimson's software uses an algorithm to analyze data based on a set of categories and themes determined by the user.

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