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Knetwit

Knetwit

What it does: Online marketplace for class notes
Founders: Benjamin Wald, 22, and Dean "Tyler" Jenks, 23
Web site: www.knetwit.com
Based: Chattanooga

Then: The 22-employee business offered an online marketplace for college students to upload their class notes and share them with others—promising to pay users who uploaded for every document downloaded. Revenue came from ads sold on the site. It had raised about $5 million through angel investors and venture capitalists.

Now: Benjamin Wald says the business is going strong, developing additional platforms, and has expanded into textbook rentals. He says Knetwit is not yet profitable but will be soon, based on substantial growth quarter-over-quarter.