Adweek 25: hellos and goodbyes, 12/14/10

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Over on Twitter, we maintain an evolving list called the Adweek 25, a group that's meant to represent the most interesting advertising and marketing voices on Twitter. Each week, we make additions and cuts to the list. This week, we're swapping one chief innovator for another. Check out the update here. UPDATE: Edward Boches sees his ouster as a chance to return to being a hack! See below.

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