We're raised to express ourselves through writing better.

Everything in our education is impersonal, we are told to express our thoughts via pen and paper.

It's only natural that through IMing and online blogging (which is what you could categorize this site as) we can express ourselves more easily.

Why do you think people have to write speeches, and don't just go up with a list of things to talk about?

Because it's easier to write your feelings than come up with them on the spot.

It's what society produces.

It's what society has produced since the birth of mass education (or is it mass hypnotism?).