6 of 8Image
Here, for example, is an early start at this story in Google Docs. Spreadsheets, presentations, financial managment, contact management, and all the rest of the office software staples are available either from Google or other cloud software vendors.
It's not all work though. You can also read e-books on Chrome OS via Google Play.
since Google Play Music will let you upload and keep up to 20,000 song onto the cloud for free you're not likely to run out of things to listen to anytime soon.