Vodafone Banknote

Advertisers Scholz & Friends NRW, in Germany were presented with a task. To promote Vodafone's cheap roaming tariff within Europe to travelers in the EU. The result: a removable sticker placed on banknotes. Cleverly using the existing EU map on the notes, the sticker shows the EU tariff zones. Guerilla advertising in your wallet - success!! (via Ads of the world)