If you're new to Ubuntu, or Unity, or both, it's definitely worth a read.
If you've just installed Ubuntu 12.04 LTS, then this guide is for you.
Please share this guide with your neighbours, friends, and family members, especially those on
the other side of the chasm!
Download the "Unity Orientation Guide" (for Ubuntu 12.04 LTS) in PDF format from here:
Unity Orientation Guide