The sudden proliferation of Facebook friends' profile pics with a french flag over them is the result of the social net's addition of an easy-to-use tool.
It takes just a minute to apply and you can set a timer to remove it in an hour, a day, next week or never.
If you are logged onto Facebook, then just click here.
Lead Stories' Trendolizer scours social nets for trending content about Facebook. Type Facebook in our site search box for a whole bunch, or scroll down to see the latest top content.