Here is the Powerpoint from todays webinar:
I heard that some people get the file as a zip when they download it. It isn't a zip, so if that happens, rename the file extension to .pptx and it will work with PowerPoint. Don't unzip it, just rename.
If you found the webinar useful, you might be particularly interested in the following articles;
Moving from File Shares to Sharepoint Lists
New End User resources are tweeted on @JMcAllisterCH