Ex-BT tech visionary and futurist Peter Cochrane has written about many strange possible tech-predictions of the future. One of the projects he envisions is called 'Soul Catcher' -
"a project to capture all of a human's thoughts and feelings on a single silicon chip - the "soulcatcher."
The idea: Implant a computer in the brain, partly to enhance capabilities and partly to provide access to external data. The first step: Connect a chip to the optic nerve and digitize the impulses that run from the eye to the brain."
You can read more here
A future of never forgetting.... of recording everything?
Can the soul be caught?