Philipp notes as does Ionut Alex that with the release of voicemail on Google Talk, you can now use that feature to play audio files over Google's network. Philipp describes a method of easily doing this. One thing to note, as a Mac user. This does not rendered on Apple's Safari web browser, even thought Google Video works fine.
Introducing SES Online
Want to view one of the sessions you missed or listen to an especially informative presenter a second time? SES New York sessions are available for purchase on ClickZ Academy's new e-Learning site. SES is now Online!