Have you heard the term "ghosting," which is when you're dating someone and then all of a sudden, they stop talking to you and disappear (like a ghost). The new trend you've got to be on the lookout for is called "haunting." That's when someone you're not dating anymore starts liking your Facebook posts or watching your Snapchat, but doesn't have any other contact with you (no calls, texts or emails). You can get more educated on the topic by reading the story on Mashable.com.