Presentan el iPad 2

The new Smart Cover, that wakes the iPad when it is opened, is displayed as Steve Jobs, Apple's chief executive, introduces the cover and the iPad 2 in San Francisco, on March 2, 2011. The new version of the tablet, which will ship in the U.S. on March 11, has a new core, front and rear cameras, and is thinner and lighter than its predecessor. (Jim Wilson/The New York Times)

The new Smart Cover, that wakes the iPad when it is opened, is displayed as Steve Jobs, Apple's chief executive, introduces the cover and the iPad 2 in San Francisco, on March 2, 2011. The new version of the tablet, which will ship in the U.S. on March 11, has a new core, front and rear cameras, and is thinner and lighter than its predecessor. (Jim Wilson/The New York Times)