linjaaho writes "According to the source, three major textbook publishers sue a startup company making free and open textbooks. The reason is "copyright infringement", as the company is making similar textbooks using open material." Link to Original Source
Fools ignore complexity. Pragmatists suffer it.
Some can avoid it. Geniuses remove it.
-- Perlis's Programming Proverb #58, SIGPLAN Notices, Sept. 1982