<https://www.itproportal.com/2014/03/21/are-smartphones-and-tablets-making-us-work-harder-than-ever/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.itproportal.com/2014/03/21/are-smartphones-and-tablets-making-us-work-harder-than-ever/>