PARENTING
01/11/2013 03:52 pm ET

Chips Off The Old Block

Little girl sitting on the rocks with mobile phone taking snapshots
Little girl sitting on the rocks with mobile phone taking snapshots

Paul Wallich usually walks his small son to the bus stop a stone’s throw from their Vermont home. But he can use a robot too: a football-sized drone, hovering several metres off the ground, follows a beacon stashed in the little boy’s school bag. A smartphone strapped to the device beams back video.

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