Who is on Twitter

New Yorker music critic Sasha Frere-Jones rounds up just who is using Twitter, including:

• people who are just back from a really awesome run

• people who are involved in "social networking" and optimizing the power of re-Tweeting and "computers"

• people who are hungry

• people who can't figure out what their kids want to eat

• Rachel Maddow

Go read the entire list

(Via Scott Simpson.)