Is your Facebook icon looking a little dreary? Users have taken to social media to comment on the "new" appearance of the app ...

Many Facebook users are confused, and a bit unhappy, after a technical issue caused their Facebook app icon mysteriously changed ... sporting a blue "F" on a black tile rather than a white ...

The ad was built from "aggregate Search trends data" to identify "black icons, events and movements that were the most searched within a specific category or field in the U.S.," said Shea Jackson ...