Apple is marking the 40th anniversary of the Macintosh computer, which debuted in January 1984 and fundamentally changed the personal computer industry. The computer was introduced by Steve Jobs just days after Apple aired what would become one of the most famous Super Bowl commercials in advertising history.

The Macintosh represented a significant departure from existing personal computers of the time, introducing a graphical user interface and mouse-driven navigation that made computing more accessible to general consumers. The system helped establish many of the design principles that would become standard in modern computing.

The computer's launch was preceded by Apple's "1984" Super Bowl advertisement, directed by Ridley Scott, which aired during the third quarter of Super Bowl XVIII. The commercial depicted a dystopian world and positioned Apple as challenging the established computer industry order, particularly IBM's dominance in personal computing.

While the Macintosh helped establish Jobs' reputation as a technology visionary, the computer's initial commercial performance was mixed. Sales fell short of Apple's ambitious projections, contributing to internal tensions that would eventually lead to Jobs' departure from the company he co-founded.

The Macintosh line continued to evolve over the following decades, maintaining Apple's focus on user-friendly design and becoming a cornerstone of the company's product portfolio. The computer's influence extended beyond Apple, with its interface concepts being adopted across the industry and helping shape the development of modern operating systems.