Before the screen there was the page, the scroll, the tablet, the stone.
There was a way of seeing--understanding, envisioning, comprehending-- through reading, first for a select few, then a few more; then everyone who could read had the chance to "revise," remake, the world.
Then the mind's eye became a screen, and the screen was outside the mind, and the screen became the mind's eye.
Then the mind ceased to be a mind.
Then everyone had a screen.
And no one had a mind.