www.left-right-left-right.com presents the user with an alternating text; left, right, left, right. The words are synchronized across all browsers, ensuring that each visitor sees the same text at the same time.
The text can be used as a script for movement, left foot right foot left foot right foot. Following these instructions, online visitors walk in sync with all each other, echoing the synchronization that occurs when friends and lovers walk together side-by-side.