title: API Feed and "magic" description and image
body: <p>I'm trying to send post using API feed. I set fields: <strong>message</strong>, <strong>link</strong> and <strong>name</strong> - example:</p>
  
  <pre><code>https://graph.facebook.com/USER_ID/feed?access_token=XXX&amp;message=test&amp;link=http%3A%2F%2Fsamplelink&amp;name=SampleName'
  </code></pre>
  
  <p>I don't set fields <strong>description</strong> and <strong>image</strong>, but in my post on the wall/timeline I see description (taken from "description" meta tag on the linked page?) and picture (sometimes - I really don't know why sometimes it appears and sometimes not - for the similar links).</p>
  
  <p>Could you tell me from where the picture is taken?
  And am I right that description is taken from meta tag?</p>
  
  <p>One more question - how to refresh linked page (it seams to be cached - even if I change description or picture it use the previous one)?</p>