PDF is only open until Microsoft says they'll include it in MS Office-- then Adobe threatens lawsuits over it. http://betanews.com/2006/06/02/microsoft-to-drop-

PDF is only open until Microsoft says they'll include it in MS Office-- then Adobe threatens lawsuits over it. http://betanews.com/2006/06/02/microsoft-to-drop-pdf-support-in-office/ http://betanews.com/2006/06/02/microsoft-to-drop-pdf-support... (Sorry, not really relevant, I just had to comment on how "open" PDF is.)