One element of the experiment that has drawn criticism was the process by which recipients found out messages had been composed with the help of the chatbot. Initially, it seemed that there was a period where people were completely unaware, though Morris has since said that wasn’t the case and that those messages included a note saying “written in collaboration with Koko Bot”.

The experiment “raises significant ethical and moral concerns”, says Sarah Myers West at the AI Now Institute, a research center in New York City.”

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