Editor's note: This is the first installment of "45 minutes on IM," a new interview series that I will be doing, hopefully weekly. Instant message is hardly the newest or hottest communication medium, but it is a very effective way to have a conversation. Because the medium is kind of contemporaneous, I've decided to maintain a bit of the on-the-fly flavor of the discussion, including the occasional "all-caps" response. But we'll skip the smileys. Please enjoy these interviews, and if you have suggestions or feedback, please let me know.
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