iBrowse is an interactive PowerPoint Web Browser.
iBrowse is an interactive PowerPoint Web Browser that allows you to easily add live web content such as HTML, PDF, and Flash to your Microsoft PowerPoint presentations. Simply insert the PowerPoint Web Browser control into your slide and specify a starting URL to add live Internet web pages inline with your presentation contents.

PowerPoint Web Browser Features
Embed live web pages into your Microsoft PowerPoint presentations
Seamlessly integrate HTML, PDF, Macromedia Flash and other web-friendly media formats into your presentations
Use the Navigation Toolbar or click directly on Internet web links to instantly show additional content without disrupting or exiting your presentation
Keep your presentations in sync with the most recent data from the web, by simply browsing to the latest data.
Cache web pages from the Internet and take presentations offline (when no Internet connection is available)
Use your browser settings to block pop-ups
Embed multiple browsers into a single slide
Auto-Scroll to the portion of the web page you wish to display
Auto-Refresh web pages at a specified time interval
Add your own Custom Buttons to control the browser
Supported on all versions of Microsoft Windows and PowerPoint (98 and above)
And many more features... you can free download iBrowse 1.7.6 now.