Livemocha, the fast-growing site that lets people learn other languages for free — by matching them up with other native speakers online — has raised $8 million more in a second round of funding.

The Bellevue, Washington company is shaking up what its investors say is a $83 billion market worldwide. It’s the first of a bunch of new companies that have emerged recently to teach people foreign languages online, including Myngle, Italki and Yappr. Livemoch appears to be in the leading position, according to Google Trends (see chart below). The company says it has 4.8 million registered members, from over ...

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