Have you noticed there's been a new feature embedded into your Gmail account? It's a neat little add-on feature; which lets you to view PDF files straight from Gmail, without the needs to install PDF viewer apps first like the heavy Adobe Acrobat.
Here's the announcement from Marc Miller from Software Engineer at Gmail Team: Clicking "View" quickly opens the PDF inside your browser, complete with the graphics and formatting you expect to see in a PDF.
If you want, you can still view in plain HTML from a link at the top of the new viewer.
And if you want to download, save, and view your PDFs later while offline using client software, you can still do that by hitting the "Download" link.
The cloud computing experience just got a little better...