As a robot animator I can attest to the fact that robots don't "need" heads to be treated as social entities. Research has shown that people will befriend a stick as long as it moves properly [1].
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I don't know about you, but if something has a head I assume it has thoughts. When watching a movie I stare at the character's face because I want to know what they feel. So for me a head's a pretty i...
The obvious answer to this question is "No: there are lots of robots without heads." It's not even clear that social robots necessarily require a head, as even mundane robots like the Roomba are anthr...