Wakamaru Bot at Your Service

SAN FRANCISCO -- Pretty soon, a robot named Wakamaru may become a fixture in the homes of elderly Japanese who have no one else to look after them.

The robot, which recently wheeled around to greet guests at the Embedded Systems Conference, is still in development. But it has the potential to replace a human caretaker in Japan, where robotic technology is embraced and the graying of the population has left many young people wondering who will care for their parents.

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