Toolbar

Add and delete buttons from the OE toolbar.

Can you see the toolbar at the bottom of the screen?

StumbleUpon is basically a web toolbar which helps people discover really interesting content that's out in the Web, that's highly relevant to their interest areas.

To install bookmarklets, drag the link to your bookmarks toolbar, or right-click the link and add it to your bookmarks.

Some UIs tend to improve this by displaying toolbars only when they are related to any object manipulated (e.g., an image, a rectangle) and undisplaying them afterwards.