Kenneth Shinozuka: My simple invention, designed to keep my grandfather safe

Sixty percent of people with dementia wander off, an issue that can prove hugely stressful for both patients and caregivers. In this charming talk, hear how teen inventor Kenneth Shinozuka came up with a novel solution to help his night-wandering grandfather and the aunt who looks after him ... and how he hopes to help others with Alzheimer’s. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their liv