Apple CEO Tim Cook speaks about the iPad's impact on the marketplace during the introduction of the iPad Mini in San Jose, Calif., on Tuesday, Oct. 23, 2012. The device has a screen that's about two-thirds the size of the full-size model and will cost $329 and up. (AP Photo/Marcio Jose Sanchez)

Photo by: Marcio Jose Sanchez

Apple CEO Tim Cook speaks about the iPad's impact on the marketplace during the introduction of the iPad Mini in San Jose, Calif., on Tuesday, Oct. 23, 2012. The device has a screen that's about two-thirds the size of the full-size model and will cost $329 and up. (AP Photo/Marcio Jose Sanchez)