UNIVERSAL EDIT BUTTON

—The Universal Edit Button is a green pencil icon in the address bar of a web browser that indicates whether a web page (most often a wiki) is editable. It is similar to the orange "broadcast" RSS icon ("") that indicates that there is a web feed available. Clicking the icon opens the edit window. It was invented by a collaborative team of wiki enthusiasts, including Ward Cunningham, Jack Herrick, and many others. The concept was first conceived during the 2007
—The Universal Editing Button (UEB) allows a web surfer to quickly recognize when a site — such as a wiki — may be edited.