Want to hear from one of the geniuses who worked on pricing subprime mortgages? Facebook's Jeff Hammerbacher speaks at Yahoo Brickhouse today at noon. While you're there, ask Brickhouse manager Salim Ismail about his trouble with the taxman. If that doesn't exhaust you, there are six, count them, six Macworld parties to choose from tonight — plus Pownce's pre-launch event, if you want to hoist a PBR with Kevin Rose.

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