<https://secure.gravatar.com/avatar/cdd4f0764a090d97899a332197b8025c?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://fxtradingmaster.com/it/blog/opzioni-binarie-vs-forex-trading/>