<https://secure.gravatar.com/avatar/f2a8b9f7cf047673eb941546a5bb4860?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://dongknows.com/the-cost-to-build-a-real-wi-fi-7-computer/>