<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDkvMDE5MWFmNjctOTlhOS03Mzk3LWE3MjktMDJiOTg2OTY5YTVj.jpg"></p><p>The feature could be very useful, but privacy analysts have raised concerns over its reach. </p>