Apple Inc. Chairman and CEO Steve Jobs stands under images of the iPad 2 at an Apple event at the Yerba Buena Center for the Arts Theater in San Francisco, Wednesday, March 2, 2011. (AP Photo/Jeff Chiu)
March 2, 2011 11:28:33 AM PST
By RACHEL METZ and JORDAN ROBERTSON AP Technology Writers
SAN FRANCISCO - March 2, 2011 --
Apple CEO Steve Jobs briefly emerged from his medical leave and walked on stage to standing ovation Wednesday to unveil the second generation of the popular iPad, which will go on sale March 11 in the U.S.