Transparent Language

[monten]

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http://www.transparent.com/word-of-the-day/#.UX

Transparent Language Inc. is a language learning software company based in Nashua, New Hampshire. Since 1991, Transparent Language has been offering its products to individual consumers, and in the past decade has grown to provide services for educational institutions and government agencies, ranging from MIT to the Department of Defense.
http://en.wikipedia.org/wiki/Transparent_Language

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youtube.com/user/TransparentLanguage