This is an awesome article:
http://www.groklaw.net/article.php?story=20071011205044141
Another summary of this interesting news item:
http://www.news.com/8301-13580_3-9796868-39.html
Patent trolls abound! IP Innovations LLC, subsidiary of Acacia, potential sock puppet to Microsoft, is suing Novell and RedHat for patent infringement. Something along the lines of multiple workspaces? "User interface with multiple workspaces for sharing display system objects" - patent #5,072,412.
Glad I mostly use the command line! :-)