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Bookshare

Bookshare is an online library of accessible ebooks for people with print disabilities, such as visual impairment, severe dyslexia, and cerebral palsy. An initiative of Benetech, a social enterprise organization based in Palo Alto, California, it was founded in 2001 by Jim Fruchterman.

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Benetech

Benetech is a nonprofit social enterprise organization that empowers communities with software for social good.

Social enterprise

A social enterprise is an organization that applies commercial strategies to maximize improvements in financial, social and environmental well-being.

United States

The Wikipedia page on the United States provides a comprehensive overview of the country.