If you're interested in accessing Google Presentation's new features, here's how:
There's nothing too fancy on there now, but Google promises to roll out more features in the coming weeks, so keep checking!
And, as you probably already know, collaboration is king/queen/royalty with Google docs, so the new design makes collaboration easy (and fun).
(1) you can't upgrade your old presentations to the new design
(2) the new design works best in the latest browsers, preferably Chrome.
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Creating this screenr cast was quick and fun, and just the ticket for on-the-fly tutorials.
Besides embedding, you can save your screenr cast as an .mp4 file, or publish it to YouTube.
Give it a try!