This edition of Ubiquitous PDF is about PDF itself rather than just an instance of the format's use. WebSiteOptimization.com has posted a performance review of Adobe Acrobat 8 Professional's optimization functionality, benchmarked against the popular PDF Enhancer application.
The WebSiteOptimization.com summary reads:
We review Acrobat 8 Professional (pre-release) and PDF Enhancer 3.1 for optimizing PDF files. The new Acrobat features faster operations, smaller PDFs, a new interface, and the ability to combine different types of files into one PDF. Learn how to use PDF optimization tools to remove redundancies, subset and outline fonts, and compress text and images for faster downloads and higher user satisfaction.
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.