Former IBM CEO Sam Palmisano, who won plaudits for successfully shifting IBM's focus from low-margin to high-margin areas, explains what businesses need to do to build a successful services empire. Palmisano tells TheStreet's James Rogers that, in addition to core technologies, people are a key asset in any services push. More than two years after leaving Big Blue, also Palmisano discusses the innovation that he's seeing across the globe, from the U.S. to countries such as Israel and China. Palmisano, however, has no plans to return to lead another publicly traded company.

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