Environments is a online desktop made simply to let you browse the web with iframes.
To open new environments, press 1, 2, 3, etc...
To hide the bar (if there is content you need to select and the shelf is in the way) press the down triangle
If you would like to submit suggestions, click the circle button and fill out the form.
[This was inspired by the ChromeOS UI]
To get things going, go to the bar on the bottom and press "Welcome"