Everyone's joining Twitter, did you know? Even New York Times editor Bill Keller has gotten on board, we hear — and he's just as self-promotional as the rest! Today's other Twitter trivia.

Timesman-in-chief Bill Keller shilled for the Gray Lady.

Mahalo funtrepreneur Jason Calacanis offered a metaphor for his career.

AllThingsD daddyblogger Peter Kafka experienced technical difficulties.

Rachel Nixon discovered there are media jobs to be had in Canada. (Let's all move north!)

Videoblogger talent rep George Ruiz blended in with the suits better than he thought.

Did you witness the media elite tweet something indiscreet? Please email us your favorite tweets — or send us more Twitter usernames.