The first smartphone was released in 1992 by IBM, and it was called the IBM Simon Personal Communicator. This device was a result of the development of the touchscreen technology that was originally invented for use in industrial settings. The ancestor of the smartphone is the graphics tablet, which was invented in the 1950s. The graphics tablet was used to digitize images and allow users to interact with computers using a stylus. This technology was later adapted for use in personal digital assistants and eventually led

Prompt:
Do you know that the first smartphone was actually released over two decades ago? However, what’s fascinating is that this early device wasn’t a standalone innovation. It was born from an entirely different invention. Find the extraordinary ancestor that directly contributed to the development of this revolutionary technology and describe how it inadvertently laid the foundation for today’s handheld supercomputers.