Unboxed: How Samuel Palmisano of I.B.M. Stayed a Step Ahead - Unboxed

Unboxed: How Samuel Palmisano of I.B.M. Stayed a Step Ahead - Unboxed: Samuel J. Palmisano, who is departing as I.B.M.’s chief executive, devised four questions that pushed his huge company to stay a step ahead of its rivals.