Anytime a cause becomes popular on social media, there’s a good chance that some of your friends on Facebook are going to change their profile picture to an image that represents the cause. It’s been an unofficial way to show your support for various causes for years, and now it looks like Facebook is finally working on a way to make it official. Apparently the company is testing a new Temporary Profile Picture feature that allows you to change your profile picture to something new, but set a timer on it so that it reverts back to your original picture after a certain amount of time.