Which revolutionary product was the first to successfully introduce multi-touch technology to mainstream consumers, fundamentally changing product design principles?

The way we interact with products has fundamentally changed over the past few decades, with touchscreen technology being one of the most transformative innovations in product design. While touchscreens seem ubiquitous today, their journey from invention to mass consumer adoption involved several pivotal moments. This trivia question explores a key milestone in the evolution of touch interface technology that reshaped product design principles across multiple industries.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

The IBM Simon (1994)
The Apple iPhone (2007)
The Microsoft Surface Table (2001)
The Palm Pilot (1997)