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A group of nephrologists are doing exactly that (blogging, that is) at the American Society of Nephrology Renal Week 2005 in Philadelphia.
This is a great way to stay in touch with what is going on at an event if you cannot go there. Blogging from business meetings is a common practice in the tech industry but quite new in the medical world.
(link via KidneyNotes)
Image source: Wikipedia