<https://secure.gravatar.com/avatar/4af65bba3da8916cb7515cfee3f38d2e?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://appstalkers.com/craigslist-apps-for-android-iphone-review>