Influential paper written by Jakob Nielsen and Don Gentner which explores the possibilities for User Interface development by taking each of the Macintosh human interface design principles, and seeing what would happen if it were broken. (

The conclusions reached are interesting; that there is scope for the rules which define everything we know about WIMP GUI's to be broken, and that a more useable system could be created. Central ideas of such a system are:

The Anti-Mac interface is not realistic on current hardware, in particular language parsing still has some way to go, and computer agents are not currently trustworthy. However the ideas contained within the document are being used as inspiration and development by many.