“Facebook is like shouting into a crowd. Twitter is like speaking into a room.”
— Teenager participating in a focus group at Microsoft Research, as quoted in Teens slowly migrating to Twitter.
“Facebook places more of an emphasis on who you are and who you know. Twitter restricts users to 140-character updates and is more about what you say than who you are.”
— Christian Jarrett in Facebook or Twitter: What does your choice of social networking site say about you?
“People are confused about Facebook privacy settings because Facebook wants them to be confused. It’s deliberate. That’s all on Facebook.”
— John Gruber, on Facebook and Privacy
— Europe versus Facebook, in Facebook’s Data Pool