Publishers, naturally, loathe used books and have developed strategies to depress the secondhand market. They bring out new, even more expensive editions of popular textbooks every three to four years, in a classic cycle of planned obsolescence.
James SurowieckiRelated topics
cycle four market obsolescence plan secondhand three yearsRelated quotes
Now when an American has an idea, he directly seeks a second American to share it. If there be three, they elect a president and two secretaries. Given four, they name a keeper of records, and the office is ready for work; five, they convene a general meeting, and the club is fully constituted.
Jules Verne