As part of the effort to simplify our visual style, the design team recently decided to go back to our square corner roots, says Facebooks Alexandre Roche.

In doing so, we hope to champion cleanliness and the razor cut look that Facebook is known for.BeforeAfterAnother change you might notice is tha the blue header bar now extends the entire width of your screen. The other change has to do with Facebook ads. One nice thing about Facebook ads from the user perspective is that you always have the power to show Facebook your approval or disapproval.