Talk pages are supposed to provide a space for improving the article. Are they as useful as they could be? I'll briefly describe some ways Talk pages go wrong, then share some prototype systems. Your feedback is encouraged! http://wikimania2010.wikimedia.org/wiki/Submissions/Dynamics_of_Wikipedia_Talk_pages:_serving_the_article,_showing_the_community
Clipping is a handy way to collect important slides you want to go back to later.