Facebook has launched a Snapchat-like mobile app called Slingshot, which annoyingly forces users to send their own photo or video message before they can view any incoming messages. Check out the rest of Facebook's most annoying changes.
Top Stories vs. Recent Stories -- More changes to the News Feed introduced a focus on "top stories" rather than recent items. Users who don't visit much will only see top stories, while frequent visitors get the option to expand to recent posts.