This is a link to a diff of Firefox where the FAQ are stored in a structured way. In the diff it can be seen that the question “Does Firefox sell your personal data?” has been removed:

        {  
            "@type": "Question",  
            "name": "Does Firefox sell your personal data?",  
            "acceptedAnswer": {  
                "@type": "Answer",  
                "text": "Nope. Never have, never will. And we protect you from  
                        many of the advertisers who do. Firefox products are designed  
                        to protect your privacy. That’s a promise. "  
            }  
        },  

People in the comments are asking if the definition of the word “neven” has been changed or what’s going on.