Sometimes you might land on a padge where you need to get some information form it but cant because of the lack of the copy paste option. Sometimes you can your internert connection might also not permit you to downlaod. To svae data , it is better you take a screen shot of the full page. There are several ways to do so : the Print scr botton at the top right of your mouse allow you to take the shot of part of the page visible . Other ways which you can do this is using websites like http://www.take-a-screenshot.org/ . Here is a way to take entire screen on mozilla firefox.
|at the bottom of the screen|