SAN FRANCISCO, CA – OCTOBER 14: A pedestrian walks by a display of the new Apple iPhone 4Gs at an Apple Store on October 14, 2011 in San Francisco, United States. The new iPhone 4Gs went on sale today and features a faster dual-core A5 chip, an 8MP camera that shoots 1080p HD video, and a voice assistant program. (Photo by Justin Sullivan/Getty Images)