Apple Inc. on Wednesday unveiled the second generation of its iPad, in a move to stay ahead in the increasingly crowded tablet computer arena.


Steve Jobs, Apple's chief executive officer, introduces the iPad 2 at an event in San Francisco, the United States, March 2, 2011. Apple Inc. on Wednesday unveiled the second generation of its iPad, in a move to stay ahead in the increasingly crowded tablet computer arena. (Xinhua/Qi Heng)
"We are introducing the iPad 2 today," Steve Jobs, Apple's chief executive officer, said at an event in San Francisco.


The surprising appearance of Jobs on stage, who in January announced that he will take an indefinite medical leave, made the event more dramatic and helped quell speculations about his health.


"We've been working on this product for a while, and I didn't want to miss today," Jobs told the audience, who cheered him with a standing ovation.


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