The Anti‑Mac interface reverses the core design principles of the Macintosh human interface guidelines to explore a new Internet desktop. Originally published in 1996 by Gentner and Nielsen, the paper argues that by violating assumptions such as metaphor, direct manipulation, and consistency, we can create interfaces based on language, richer object representation, expert users, and shared control.

Recent conferences have noted that the human interface is stuck in the WIMP (windows, icons, menus, pointer) model, with little innovation. The authors draw inspiration from physicists who consider non‑Euclidean geometry and antimatter by violating basic assumptions, suggesting similar creativity could apply to UI design.

The Macintosh was designed for naive users, limited hardware, and simple communication channels. Over the past twelve years these constraints have loosened, yet the authors ask what would happen if they were eliminated entirely. They propose an Anti‑Mac that retains some Apple Computer features but departs from metaphor, delegation, and WYSIWYG.

The paper summarizes the Mac and Anti‑Mac principles in a table and concludes that exploring violations can uncover richer cues, modelessness, and aesthetic integrity. While not hostile to Apple, the Anti‑Mac serves as a thought experiment for future interfaces.