I'll admit it. Until this morning, I didn't know how to cast on. I've been faking all this time. Making it seem like I was an incredibly awesome knitter and knew my stuff. But really, I didn't even know how to begin. Then I watched this video:
Yay! Now I no longer have a bubbly, lumpy, uneven edge when I knit a ribbed hat, which I am doing. Successfully. And correctly, all thanks to the internet!
There are more ways to cast on at this helpful site.