Learn how to edit Minecraft world files to access hidden, secret features. From customizing a world, to allowing cheats in game - NBT editing is what you'll use.
It's now pretty clear that the ability to execute code in WMF graphics files was intentional - but we may never know why it's there. Steve wraps up the subject, lays a few myths to rest, explains why Windows 95/98/Me are not vulnerable, and offers a tool to detect the hole in all versions of Windows, including the WINE emulator for Linux.