What a marketing ploy! Given the current economy, this is probably one of the best marketing I have seen.
Burger king is dropping wallets around Chicago and Orlando areas. The wallets include notes telling the individuals who find them to go ahead and keep the wallets. Time Out Chicago reported on November 12th that Burger King planned to drop 5,000 of these wallets around urban hot spots in Chicago. According to reports from bloggers, the wallets contain actual cash, ranging from a $1 bill to a $100 bill, a gift card to Burger King, a “Drivers License” featuring The King, and a map of Chicago area Burger King’s.
It's the same principle Reagan used when he slashed taxes back when he came into office. Tax revenue more than doubled since people were using the extra money.