<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDEvZTkwZTA0ZTQtNzM5OC00YWFkLTg3ZjAtNzVhODRhYmZmOThjLmpwZw==.jpg"></p><p>Such a model could theoretically be used to exploit human conversations to build advertising personas.</p>