256-byte demos come to mind:<p><a href="http:&#x2F;&#x2F;www.pouet.net&#x2F;prodlist.php?type%5B%5D=256b" rel="nofollow">http:&#x2F;&#x2F;www.pouet.net&#x2F;prodlist.php?type%5B%5D=256b</a><p>A little effect in 256 bytes of binary code. Some of them are amazing:<p><a href="http:&#x2F;&#x2F;www.pouet.net&#x2F;prod.php?which=66380" rel="nofollow">http:&#x2F;&#x2F;www.pouet.net&#x2F;prod.php?which=66380</a>