“Long term, progress in AI will come from programs that just watch videos all day and learn like a baby. ... Childrean learn by watching the spectacle of the world.
But when the spectacle of the world is captured by a camera, it's a video." -
@Yann Lecun

I can only add here, that AI might be also learnign from interacting with its environment (at least a simulated one).

Blogpost with high-level reflection on self-supervised learning at wired.com.