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Play now, maybe pay later

Start-ups betting ‘freemium’ business model will get customers hooked

By D.C. Denison
Globe Staff / September 21, 2009

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In April, Visible Certainty Inc., a Back Bay start-up, launched a free service, Verifiable.com, that lets users create and share charts and graphs online. Today, the company is expected to unveil a companion pay version. (Full article: 1045 words)

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