Sure, watching YouTube videos in HD is great when you want clarity, but maybe you've been yearning for that grainy, tape-recorded look. Marking what's apparently the 57th anniversary of cassette-based video recording, the YouTube team has snuck a VHS tape-shaped button on select videos. Clicking it will the throw a filter over the content, providing a highly distorted and nostalgic feast for the eyes. There's no official list of compatible content, but
