[giorgioz]

When technology is rapidly progressing up in iperbole or exponential it looks like it reach infinity. In practice though at some point will reach a physical limit and it will go flat. This alternation of going up and flattening make the shape of steps.

We've come so far and yet we are so small.

They seem two opposite concepts but they live together, we will make a lot of progress and yet there will always be more progress to be made.