Can you trust a YouTube video? No, of course you can’t believe everything you see on YouTube. However, sometimes seemingly cheap, handheld videos have an apparent authenticity that’s convincing. Lately, a number of clever videos on the site have played with reality with the ulterior — and sinister! — motive of selling you something. Say it ain’t so! The effect of these videos is that those little 4-inch by 6-inch YouTube screens can feel like a world unto their own.
