When blogs get really popular. While there are a hell of a lot of blogs and blog readers, blogs aren’t even close to being a mainstream phenomenon the way email is. It’ll happen. And here are some guesses (note: guesses) about what they’ll look like when they do: 1. The word “blog” will expand to cover any linkable posting (a place) where a person gets to speak her mind more than once. If it’s more permanent than IM, it’ll be a blog. 2. Group blogs will be at least as common as individual blogs. Most people don’t have time to stoke the blogfires every day,… [Joho the Blog]