"To," "Too," and "Two"

I just had a conversation with a friend about a lawyer he knows who makes grammar errors of this type, so I decided to devote a post to this problem:

"To" is usually a preposition, meaning it links one word to another.
"Too" means also, as in, "I'd like to have some rice with my taco, too."
"Two" is the number two (2).

These fairly simple distinctions are sometimes difficult for people to remember, especially when writing quickly.

My friend and I also discussed the larger problem of how people think about writing. He looks at a piece of writing as a work of craftsmanship in which every word counts, but he has a hard time convincing others that they need to be that careful. Any ideas out there about how to convince people to care about writing that much?

My aim in this weblog is to help share knowledge and discuss ideas that will help make writing easier and more accessible for adults and kids who struggle with it. I started out thinking I would have all kinds of writing exercises to do, but the more I've gotten into it, the harder those exercises have become. I don't want to create an online textbook, but more a writing-focused discussion. So I'm open to suggestions as far as what to include in this weblog.