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| The K5 security robot. |
As the sun set on a warm November afternoon, a quartet of
five-foot-tall, 300-pound shiny white robots patrolled in front of
Building 1 on Microsoft’s Silicon Valley campus. Looking like a crew of
slick Daleks
imbued with the grace of Fred Astaire, they whirred quietly across the
concrete in different directions, stopping and turning in place so as to
avoid running into trash cans, walls, and other obstacles.
