If you haven't heard yet, Facebook has had a recent update. Now, when you hover over the "like" button, a series of options will pop up. Instead of simply saying that you "like" a post, you can choose to pick "love," "haha," "wow," "sad," or "angry." That way, you won't have to "like" a status about your friend's grandmother dying.
Of course, we feel a lot more emotions than the ones listed when scrolling through Facebook. That's why The Oatmeal has created this little cartoon that has a few Facebook reactions that should be added: