The ThinkFree viewer allows you to read uploaded Microsoft Word documents (.doc), Excel spreadsheets (.xls) and PowerPoint slideshows (.ppt) in your browser.
Simply click on the ‘view’ button next to the files below and you will see how it works. It is a very convenient and effective way to display student work or to provide access to newsletters.
Embedding a presentation in your blog using the slideshare plugin is simple and effective. It is free to register with Slideshare which supports the upload of PowerPoint (PPT & PPS formats), OpenOffice (ODP format) and Keynote (for Mac users). Here is my example below.