If you or someone you love uses Reader, be warned that a security flaw has been detected in their implementation of Javascript: http://blogs.adobe.com/psirt/2009/04/update_on_adobe_reader_issue.html
Follow the directions in that e-mail to disable Javascript in Reader; until Adobe patches future releases, this is the only way to get around the flaw (aside from using another PDF reader, of course).
Follow the directions in that e-mail to disable Javascript in Reader; until Adobe patches future releases, this is the only way to get around the flaw (aside from using another PDF reader, of course).