<https://informatica.blogs.uoc.edu/#personlogo>
<http://schema.org/url>
<https://secure.gravatar.com/avatar/8f1abdf864ca2790eb5936b4e3d5d8ef?s=96&d=mm&r=g>
<https://informatica.blogs.uoc.edu/satelites-para-la-internet-of-things/>