subtyping and mutability. However, sometimes subtyping is not
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Amazon sent a cease-and-desist letter to Perplexity over the AI company's shopping bots in November. According to Amazon, use of the Comet agent to make purchases is a violation of its terms of service. "Perplexity will continue to fight for the right of internet users to choose whatever AI they want," a representative from Perplexity said of this week's decision.