I looked it up, and found the stat. I remembered the 80% wrong, actually 42%. The 80% were for book purchases last year. Should be changed on the post. Thank

I looked it up, and found the stat. I remembered the 80% wrong, actually 42%. The 80% were for book purchases last year. Should be changed on the post. Thanks for reading p.s. here's some more stats: http://www.washingtonpost.com/wp-dyn/content/article/2007/08/21/AR2007082101045.html http://www.washingtonpost.com/wp-dyn/content/article/2007/08...