They had a bar in their library serving Martinis. But instead of smoking up a storm, a la Don Draper and friends, they chomped down on chocolate cigarettes. In all, they raised £600 for a breast cancer charity, which was then matched by the agency.
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Diary: W&K turns back time
It was for a good cause, but Diary suspects that the folks at Wieden & Kennedy would have used any excuse to dress up like the cast of Mad Men for a day.