<https://www.lowyat.net/2018/156932/blackberry-files-suit-facebook-whatsapp-instagram-messaging-patent-infringement/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebPage>
<https://www.lowyat.net/2018/156932/blackberry-files-suit-facebook-whatsapp-instagram-messaging-patent-infringement/>