In 2007, Flat World Knowledge was founded by Jeff Shelstad and Eric Frank in
Nyack, New York. By August 2009, Flat World textbooks had been adopted at 400 colleges for use by 40,000 students. In 2010, Flat World Knowledge moved from Nyack to
Irvington, New York. It had been adopted by more than 1,300 educators as of that year. The company received $8 million in funding from investors in 2010. In January 2011, the company received an additional $15 million in funding from investors. The company originally offered every textbook published free using online delivery under the
open content paradigm, but in November 2012, the company announced that it would no longer offer free access to textbooks. In late 2016, Flat World Knowledge was acquired by Alastair Adam and John Eielson and rebranded as FlatWorld. ==See also==