Rex Jameson bikes and swims regularly, and plays tennis and skis when time allows. But the 5-foot-11, 180-pound software engineer is lucky if he presses 200 pounds — that is, until he steps into an "exoskeleton" of aluminum and electronics that multiplies his strength and endurance as many as 20 times.

Deutsche Telekom chief executive Rene Obermann said Thursday the company has so far sold more than 100,000 of Apple Inc.'s iPhones since the device's November debut in Germany.