Keller Rinaudo: A mini robot — powered by your phone

This quick TED talk entry is courtesy of Your smartphone may feel like a friend — but a true friend would give you a smile once in a while. At TED2013, Keller Rinaudo demos Romo, the smartphone-powered mini robot who can motor along with you on a walk, slide you a cup of coffee across the table, and react to you with programmable expressions.

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