Why? Why is it hard? Why is it so hard to replicate that? This is something that a two-year-old could do.

Because there's a lot of complex vision that's required to do this.

You need spatial intelligence.

You need to do edge detection.

You need to do object classification.

Humans are very smart in a lot of things that we take for granted.

When you build a robot, you have to understand all these tasks and processes and replicate them.

And where do you see the first point that this will enter, you think?