WeboLobby - All About Webs and Technology

In Gmail user already able to view PDF files online with in the browser interface that kills the need of a browser reader plugins which consume all most of your memory. Now same kind of functionality come up for TIFF and Microsoft PowerPoint document formats so now you can view TIFF and PPT files online, directly in your browser, without having to save the files to your computer and without needing to buy, install, or wait for any special software to start up.

As we can see power point slides in Gmails as "View as slideshow" option now Gmail integrated this same technology into the viewer that use for PDFs

This viewer provides a richer set of features than the old "View as slideshow" version with more functionality like you can zoom in and out, select text to copy and paste, and "print" the presentation to a PDF document. And, unlike the old version, no longer require you to have a Flash plugin installed on your browser. The online viewer is powered by Google Docs