If you work behind a small monitor, then the additional workspace never hurts. When working with Google Documents this can be achieved using the Greasemonkey script.
Writing Room 4 Google Documents hides the Google logo and other page elements when editing a document. This is how the page looks like before hiding:
And so after clicking on the “toggle header” button: ')
It will be very convenient to combine this feature with a full-screen browser mode.
The script works only in Google Documents, in Firefox (with Greasemonkey installed) and Safari (with Greasekit) browsers.