ohhhh TacoCopter.. Every now and again someone comes up to me to help me understand that tacos can't economically be delivered by drone. 
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Blood donation drones (vs trucks), or blood delivery drones?
blood delivery was what I had in mind at the time (or hospital-test center point to point eg)
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Probably more tractable than giant-mecha-mosquito-as-a-service.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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