Regular users of Acrobat 5.0, and in particular regular users of the short-cut accelerator keys that let you access commonly used tools quickly, will notice when opening Acrobat 6.0 for the first time that these no longer seem to be available. Fortunately all is not really lost.
A great new feature of Acrobat 6 is the ability to enlarge and reduce the size of Thumbnails. Adobe decided to changed the name of Thumbnails to 'Pages' - so when you want to see them you'll find them in the 'View > Navigation Tabs > Pages'.
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.