If you've got an impeccable eye for detail, you might have noticed by now that Coca-Cola's polar bear-adorned holiday cans hide a few secret - and refreshing - symbols, and the ways they were disguised are supremely clever.
If you've got an impeccable eye for detail, you might have noticed by now that Coca-Cola's polar bear-adorned holiday cans hide a few secret - and refreshing - symbols, and the...