Apple's ads and introductory videos have long set the standard for clear, concise, and exciting tech promos. Now Web video tracker Visible Measures has announced that the 5-minute iPhone 4S promo video was the most viral tech video of 2011.
The video (see below) was not only replayed millions of times on both the Apple site and YouTube, but generated spinoff unofficial uploads and parodies. The total impact of the promo was estimated at a whopping 28 million vie
