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Half of companies planning to replace customer service with AI are reversing course
(www.techspot.com)
This is a most excellent place for technology news and articles.
I have seen one court case where they were required legally to honor the deal the chatbot made, but I haven't kept up with any other cases.
In the case of Air Canada, the thing the chatbot promised was actually pretty reasonable on its own terms, which is both why the customer believed it and why the judge said they had to honour it. I don't think it would have gone the same way if the bot offered to sell them a Boeing 777 for $10.