High profile cases have made even liberal-minded folk think twice about limiting the size of the database.

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According to the release notes, iOS 4.3.3 reduces the size of the location database cache, stops backing the cache up to iTunes when you connect your device to a computer, and deletes the cache entirely when you turn Location Services off.

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Its database now holds 20 terabytes, twice the size of all the printed matter at the Library of Congress.

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Note that Wikibon defines big data as data sets whose size, type and speed of creation make them impractical to process and analyze with traditional database technologies and related tools in a cost- or time-effective way.

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And although many of IBM's efforts in corporate markets, such as e-commerce, will center around the mainframe version of DB2, it is the NT version of DB2 that is clearly driving its database business in small and medium-size companies.

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It claims the software creates a virtual topographical map of your features, which is then measured against the donor database, looking for similar surface textures, vector templating and, of course size of features.

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The typical big-business database has grown in size a hundredfold in the past five years, bloated by the sprawl of computing systems and applications, Internet commerce and recordkeeping mandated by government regulation.

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