All four of Stephan Jaeggi's popular PDF Workflow whitepapers are available as free downloads on Planet PDF. Topics include: An introduction to PDF technology; Economic and organizational aspects of PDF; The creation of PDF documents; and, Processing and outputting PDF files.
If you're Acrobat-savvy enough to realize that "FDF" is not a typographical error, then you know that the "Form Data Format" is a way to transfer data to and from PDF-based forms. But you may not realize some of the other ways you can utilize FDF. That's OK, because University of Washington research engineer George Johnson knows -- and he's sharing some examples in his Planet PDF article Linking Up with FDF."
Enables you to display an alert dialog on the screen. The minimum required parameter is a string containing the message to be displayed. Optionally, an icon type can be specified by using the nIcon parameter. This example uses a button group type.
OK, so you want to stamp your document. Maybe you need to give reviewers some advice about the document's status or sensitivity. This tip from author Ted Padova demonstrates how to add stamps with the Stamp Tool along with related comments.