Dealing with Humpty Dumpty: research, practice, and the ethics of public health surveillance.

Abstract

Alice considered [the idea of un-birthday presents] a little. “I llke birthday presents best,” she said at last.“You don’t know what you’re talking about!” cried Humpty Dumpty. … “[There are three hundred and sixty-four days when you might get un-birthday presents… And only one for birthday presents, you know. There’s a ‘glory’ for you!”“I don’t know what you mean by ‘glory,’” Alice said.Humpty Dumpty smiled contemptuously. “Of course you don’t—till I tell you. I meant ‘there’s a nice knock-down argument for you!’”“But ‘glory’ doesn’t mean ‘a nice knock-down argument,’” Alice objected.“When I use a word,” Humpty Dumpty said in a rather scornful tone, “it means just what I choose it to mean—neither more nor less.”