This summer, "planking"—lying face down in an unusual spot while someone takes a picture of you—quickly became a popular internet meme, then a deadly-and-possibly-racist meme, and then, finally, an old meme. And while you'd think that, if anyone, planking would be a hit with the pre-teen set, this new "Kids React" video from the Fine Brothers shows that even children think it's ridiculous and stupid. [via YouTube]