Gillette's Edge

The secret of a great innovation machine? Never relax

Amid airtight security, workers at the Gillette Co.'s World Shaving Headquarters in South Boston are putting the finishing touches on the long-awaited successor to Sensor, the world's most successful razor. The stakes are high: To maintain Gillette's double-digit growth, the new razor must top Sensor, sold as "the best a man can get." Developing a new razor might seem like child's play for Gillette, which has dominated shaving for decades. But it has been a tortured, six-year marathon, involving thousands of shaving tests and design modifications.

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