If you're responding to user demand for the most popular titles, that means more small publishers go on the chopping block. (freerangelibrarian.com)
The newly added currencies were chosen based on user demand. (themerkle.com)
We also have a present focus on patron driven acquisitions, pay as you go, and buying books, subscribing to databases upon user request and not in anticipation of user demand. (slaw.ca)