Google Docs is a great and capable office suite, but its browser-bound nature puts many users off of using it as a full-on LibreOffice replacement. Google have recently announced offline support for the web-based suite, but for many this still won't be entirely ideal. So enter GWOffice - a desktop-based Google Docs editor that is in development as part of the Ubuntu App Showdown.
The Ubuntu Manual project make a very comprehensive beginners guide to Ubuntu for every release. The most recent guide, titled "Getting Started with Ubuntu 12.04" was released yesterday and is packed full of everything you need from getting online, to sending emails to navigating around Unity.