Google has announced that Gmail users can now view their PDF attachments using Google Chrome's built-in viewer. The new feature will allow users to view PDF attachments online without needing to download the attachments.
The "View" link will automatically open files in the Chrome PDF viewer. Google Chrome's PDF plug-in is faster than downloading and separately opening files, and does a good job of rendering PDFs accurately.
Google also announced that this new feature will be soon roll-out to all Google Apps. This news was released at Google Apps Update Blog
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.