This first showed up in Tweetie, whose author filed for a patent on it, so be aware:<p><a href="http://gorumors.com/twitter-patent-drag-to-refresh/2754292" rel="nofollow">http://gorumors.com/twitter-patent-drag-to-refresh/2754292</a><p>Edit: Since there is curiosity about the claims, here's the application:
<a href="http://www.google.com/patents/about?id=C3PTAAAAEBAJ" rel="nofollow">http://www.google.com/patents/about?id=C3PTAAAAEBAJ</a>