This service, which is in testing and slated to roll out within a couple months, is designed as a kind of highly customized version of Groupon.

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But the medical testing business has produced two powerhouse roll-ups, and they appear to have lots of growth potential remaining.

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Whereas traditional product development would involve making product decisions using business intuition and knowledge, Zynga turned decision-making on its head by hypothesis-driven product testing, quick analysis and agile roll-out based on how customers behaved.

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Following a period of testing and development, the NPSA plans to roll-out the system across the NHS in England and Wales from 2003.

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There are numerous references to so-called "Books of Knowledge, " highly confidential information on design, safety systems and testing records allegedly generated by Toyota engineers on everything from roll-overs and roof safety to sudden unintended acceleration.

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Facebook is announcing the next phase in its roll-out of its virtual currency Facebook Credits, which is leaving beta testing today.

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The new entertainment offerings are still at the testing stage, though Schultz was reported as saying that the company would roll out its download service for MP3 players in the next 12 to 18 months.

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Sprint (nyse: FON - news - people ) is testing out the EV-DO technology in several markets, and plans to roll it out to most of its major markets early next year.

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