“Selling ad space keeps newspapers, magazines, websites and television either cheap or free for users. But so far, the model hasn’t caught on with college textbooks. Now, a small Minnesota start-up is trying to shake up the status quo in the $6-billion college textbook industry. Freeload Press Inc. will offer more than 100 titles this fall — mostly for business courses — completely free. After filling out a five-minute survey, students can download the text of the book, which can be stored on a hard drive and printed.”