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Wired editor-in-chief Chris Anderson has had it up to here with unsolicited emails from PR agencies. But he's the beneficiary when colleagues use the tactic. Del.icio.us founder Joshua Schachter notes that his inbox is filled with unsolicited emails from Wired flacks. Sent to an email address, Schachter points out, which is on his blog, not one he uses to sign up for mailing lists. Call it the Long Tail of PR. Whether or not Anderson approves, he certainly gains from the PR mail-all list: The most recent Wired message touts Wednesday's edition of the PBS show Wired Science, and the subject line highlights a special appearance by Anderson himself.