Greenpeace Russia and Havas Digital Moscow have turned business cards into something you'll want to stash for a long, long time -- by assigning them additional duties as passes for the Moscow Metro System. Instead of just carrying the usual contact info, the cards can be swiped at station turnstile for rides on the train. By encouraging the use of public transport, the cards help people practice what the organization has long preached.
Greenpeace is encouraging use of the card by other companies and provides more info for those interested in adopting it here.
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