This story on wired.com , about the difficulty of losing your identity and taking up another, is something I wrote about in How They Scored. The characters are looking at the business possibilities of a proposed business named Dreedle, which would compile vast databases of consumer behavior; the narrator reflects on how such databases would make it difficult to disappear, as you used to be able to in the old days. There were plenty of things about me I didn't want rolled up into some online repository. One or two of these things I might confide to a lover -- that I liked to watch a certain kind of porn, for example (though I wasn't sure Meeghan was ready to know that). Another, less embarrassing detail I might write about on a blog -- my appreciation of the Giants infielders, say, or my enthusiasm for Russian composers. Other things I wouldn't mind mentioning in a phone call to my mother. But put them all together, combined with the records of everything I buy, books I rea...