Google added the presentations tool to its online 'office suite' not too long ago. The tool might have Zenter at its core (http://googleblog.blogspot.com/2007/09/our-feature-presentat...)
Thanks. The link gave me some pointers. Pity there are no writeups on how the app worked. Seems google uses these companies for core technology spare parts and discard the product. [0]
[0] http://googleblog.blogspot.com/2007/06/more-sharing.html