Facebook has started making "haha," "angry" and four other responses available around the world for those who think "like" just isn't an appropriate response to a friend's post.

Five years ago, Facebook gave its users five new ways to react to a post in their news feed beyond the iconic “like” thumbs-up: “love,” “haha,” “wow,” “sad” and “angry ...

They can fire off a sad or angry emoji to their teacher’s computer screen, who might use the digital distress signal to stop and take stock of how the class is faring.