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SAN FRANCISCO, CA - MARCH 9: Apple CEO Tim Cook gestures on stage during an Apple special event at the Yerba Buena Center for the Arts on March 9, 2015 in San Francisco, California. Apple Inc. announced the new MacBook as well as more details on the much anticipated Apple Watch, the tech giant's entry into the rapidly growing wearable technology segment as well (Photo by Stephen Lam/Getty Images)

SAN FRANCISCO, CA - MARCH 9: Apple CEO Tim Cook gestures on stage during an Apple special event at the Yerba Buena Center for the Arts on March 9, 2015 in San Francisco, California. Apple Inc. announced the new MacBook as well as more details on the much anticipated Apple Watch, the tech giant's entry into the rapidly growing wearable technology segment as well (Photo by Stephen Lam/Getty Images)