We're conducting an experiment with e-books, paper books and open access books. This is typical of university presses. The idea is to determine whether having e-books with open access would have negative, positive or neutral consequences for the sale of e-books in another format, let's say epub or paper books. That isn't clear; that's the problem. We're in this transition period. To tell you the truth, I myself am not—
On November 4th, 2010. See this statement in context.