Thorsten Heins, CEO of Research in Motion, introduces the BlackBerry Z10, Wednesday, Jan. 30, 2013 in New York. The maker of the BlackBerry smartphone is promising a speedy browser, a

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Thorsten Heins, CEO of Research in Motion, introduces the BlackBerry Z10, Wednesday, Jan. 30, 2013 in New York. The maker of the BlackBerry smartphone is promising a speedy browser, a superb typing experience and the ability to keep work and personal identities separate on the same phone, the fruit of a crucial, long-overdue makeover for the Canadian company. (AP Photo/Mark Lennihan) less