Google is quite famous for providing many hidden feature in the form of Easter Eggs but here is the only Easter Egg that you can find on Facebook.
To enjoy this hidden feature in Facebook go to Facebook homepage and type in the following key combination: Up, Up, Down, Down, Left, Right, Left, Right, b, a, ENTER
To enjoy this hidden feature in Facebook go to Facebook homepage and type in the following key combination: Up, Up, Down, Down, Left, Right, Left, Right, b, a, ENTER
Now, with every click of your mouse on Facebook, cool circular designs can be seen.
Try it yourself and enjoy this Easter Egg.