"A century ago, the Sentience Wars tore the galaxy apart and nearly ended the entire concept of intelligent space-faring life. In the aftermath, a curious tradition was invented by the remnants of civilization. Something to cheer up everyone who was left. Something to celebrate having escaped total annihilation by the skin of one's teeth, if indeed one has skin. Or teeth. Something to bring the shattered worlds together in the spirit of peace, unity, understanding, and the most powerful of all social bonds: excluding others"--
