After upgrading from 1.9 to 2, Course file areas remain and can continue to be used, but are renamed to Legacy course files. In courses created after the upgrade there are no Course files areas
When you put a file in Google Drive into a Folder it is labeled with that folder name and removed from the view of My Drive. When you put a file in multiple folders, the file is not in multiple folders it really just has multiple labels.
PDF-to-Word conversion technology, you can quickly and easily create editable DOC/RTF files, making it a cinch to re-use PDF content in applications like Microsoft Word, Excel, OpenOffice, and WordPerfect. Best of all, it's entirely free!
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Keynote, on the other hand, embeds all the media files right within the Keynote file itself, so I only have to take one (large) file with me! This is a huge relief for those of us that were always worrried that we might forget one of the linked videos for our PowerPoint presentations!