<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><a href="http://www.bbc.com/news/technology-36168863">http://www.bbc.com/news/technology-36168863</a><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"> John K Clark</div></div>