Viral videos aren't just for laughs. They shape our social culture and often spill over into news and real life.

And, they can even potentially change you physically. After all, there are a number of films in Hollywood history that one can look to for motivation to get in shape. To prove the latter point ...

What can we do with this? It would be one thing if “Shape Of You” was a fleeting little novelty, but it’s not that. It’s globally inescapable. It’s part of the societal wallpaper.