Just when the invitations to join LinkedIn start to drop off—I've never accepted an invitation to join LinkedIn, and I'd like to take this opportunity to say fuck you to everyone who "sent [me] an invitation to become part of his or her professional network at LinkedIn"—emails letting me know that a "friend or at least someone who thinks you like them wants you to know about Crowdrise."

Stop. Stop creating new social network sites. Stop inviting me to join them. Stop. STOP.