Google has added an option to quickly view PDF documents in your browser from search results, while keeping formatting intact. This comes in the form of a simple "Quick View" link located in the search result snippet for PDF results.
Google has released a new product called the Google Docs Viewer. This is a way to display PDFs, Powerpoints and TIFF documents directly in a web browser without requiring a download.
Google has decided to make PDF viewing in Gmail a little more user-friendly. Now when you get sent a PDF attachment with a message, you will see a "view" link, which will simply open the file within your browser rather than make you download the file.
Hewlett-Packard has an interesting new service that allows users to turn RSS feeds into deliverable, printable PDFs. The service is called Tablloid and works basically like other feed readers.
Google is now indexing scanned documents in search results. In other words if you scan a page of text and post it to the web, it will be treated like an actual page of text rather than the image that it truly is (theoretically at least).