<iframe src="http://docs.google.com/gview?url=http://infolab.stanford.edu/pub/papers/google.pdf&embedded=true" style="width:600px; height:500px;" frameborder="0"></iframe>
http://burkhard.schlutt.googlepages.com/Flash_mit_Openoffice_Impress.pdf
<iframe src="http://docs.google.com/gview?url=http://burkhard.schlutt.googlepages.com/Flash_mit_Openoffice_Impress.pdf&embedded=true" style="width:400px; height:300px;" frameborder="0"></iframe>
siehe auch:
http://googlesystem.blogspot.com/
http://viewer.zoho.com/
http://webdlabs.com/tag/google-docs/