This is how voice command recognition systems worked in 1967 (Video)

[youtube]http://www.youtube.com/watch?v=OvWeTJGrTnA[/youtube]

  If you have ever wondered how the development of voice command recognition systems began, well, in the video clip above you have a demonstration. This system dates back to 1967 and belongs to Bell Labs, and it was developed from him Siri, Google Voice and pretty much everything that means a computerized system that speaks for itself.