Browsers love it!

Practically anything you write will execute without all that scope and well formed statements nonsense.

Mind you, number 2 is also its biggest flaw as well, but…

Just be glad it’s not all attached to your optic nerves yet…

Bud knew a guy like that who’d somehow gotten infected with a meme that ran advertisements for roach motels, in Hindi, superimposed on the bottom right-hand corner of his visual field, twenty-four hours a day, until the guy whacked himself. -The Diamond Age, Neal Stephenson