<https://secure.gravatar.com/avatar/2ee8b04872fdf6b9b55e57ced270d2c2?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://antrika.ai/tips-to-identify-user-need-via-product-feedback-software>