This has probably happened to you once or twice (or a lot). You need to do some social media research on what are the trending topics or you're bored and just want to know what people are talking about on Twitter. So you click on the trending topics, but more than half of what's there is indecipherable to you (what the heck is a #KathNiel? A new breed of feline?). Twitter wants to help you solve the trending riddle with the latest update to the app.