Intel President and CEO Paul Otellini will retire in May, three years ahead of his expected departure. Although there were no signs Otellini was pushed out, the chipmaker struggled during his tenure to expand successfully into smartphones and tablets. "Intel has yet to really establish a beachhead in mobile computing," said Richard Schafer, an Oppenheimer & Co. analyst. An increasing number of wireless hardware providers are developing chips internally, while others have turned to rival ARM Holdings.
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