Book collector: The demand for out-of-print books is increasing. It has been spurred by the rise of the Internet, the search capabilities of which make it much easier to locate the out-of-print books one seeks. The book collector's statements, if true, most strongly support which one of the following? ['Book collectors are now using the Internet to find book titles that they previously did not know existed.', 'Only people who have access to the Internet can locate out-of-print books.', 'The amount of demand for out-of-print books is affected by the ease of finding such books.', 'Fewer people try to find books that are in print than try to find books that are out of print.']