Snapchat's Stories is such a popular feature that it forced Instagram and Facebook Messenger to provide their users with similar ones services. Now, Facebook too seems to be adopting a similar Stories feature, among others.
Facebook Stories will appear at the top of your News Feed and will consist of videos and photos you share with your friends. Facebook Stories will appear there for 24 hours, but not on your Timeline or News Feed unless you want to publish it there.
To add a story to Facebook Stories, simply click on the "Your Story" icon in the Stories bar that (will) appear at the top of your News Feed.
Bad Fails, Facebook Stories could upset some users as it will be the first thing you'll see at the top of your News Feed, whether you want it or not.
Facebook added a new feature called Direct. The tool will allow users to share individual pictures or videos with their friends, which can only be shown once.
The image or video will then be deleted. Needless to say, Facebook's Direct feature is similar to Snapchat's, since it essentially does the same thing and has about the same UI.
Other than that, Facebook has completely redesigned the camera and added a lot Effects, such as masks, frames and Interactive effects. 
Facebook also said it will add new creatives effects στην κάμερα κατά τους επόμενους μήνες. Τα νέα χαρακτηριστικά έχουν ήδη αρχίσει να κυκλοφορούν για τους χρήστες της εφαρμογής Faceboοk στο Android και στο iOS, λίγες μόλις εβδομάδες μετά την information of its Messenger app with a similar feature.
