http://restlessdesign.github.io/pestilence/ Features: Audio Pest Plays a high-pitched noise at random intervals. Mouse Pest Replaces the user’s cursor with a duplicate that is offset approximately 50px down and to the right. (Disabled on this page.) Keyboard Pest Randomly moves the caret as the user types within input fields. Accessibility Pest Hides all headers and paragraph elements from screen readers and gives random tab indices to anchor elements.