Rick Baker's invention was based on a powerful idea: a computer could receive information about a person, compare it with stored expert information, and then automatically generate a personalized audio-visual presentation to help that person improve.
The invention began with a simple question. Could a person receive expert instruction without the expert needing to be physically present?
In the original golf example, a person's swing could be captured by a video camera, transmitted over a communication network to a computer database, compared with stored expert movement, and returned as a personalized teaching presentation.
The result was not just a fixed instructional video. It was a computer-generated presentation adapted to the individual person.
The key breakthrough was the computer's ability to automatically create a personalized visual presentation and add relevant audio instructional comments.
An expert normally teaches by showing a person what to do and explaining it personally. The invention applied that same principle to a computer system.
This made the computer more interactive on the computer-to-human side, allowing it to respond with personalized guidance instead of simply displaying static information.
In 1991, most instructional material was fixed and general. VHS tapes, books, and ordinary video instruction could show useful information, but they could not adapt personally to each user.
Rick Baker's system pointed toward a future where computers could analyze a person's own information and respond with tailored instruction.
That idea now connects strongly with modern artificial intelligence, motion sensing, real-time computing, personalized learning, virtual coaching, and interactive digital guidance.