Eight weeks. That’s all that separated the launch of Apple’s revolutionary iPhone, on June 29, 2007, and Motorola’s next-generation Razr2 (pronounced Razr Squared) cellular telephone, on August 24. Before unveiling the successor to the Razr, which PC World magazine in 2005 ranked 12th on a list of the 50 greatest gadgets of the past 50 years, Motorola’s top management team was more worried than usual. With sales of the American communication giant’s other cellular telephones tapering off, the company’s fate rested squarely on the Razr2