It seems to me that Google Docs keeps getting better and better. I say this because now I have the ability to upload VIDEO to Google Docs! In November we were allowed to EDIT Google Docs on our iPad, iPod and Smart Phones...and now this!
Here's a link to some information on playing video in Docs...with information on types of video you can upload, etc.
The more I use Google Docs, the more I love it. It's hard not to...and the cost is right! FREE!