That gave us clues that we could send back to the lab scientists and say, Heres something that looks suspicious.

FORBES: A hail of silver bullets

Amid the throngs of "wish you were heres" and inappropriate blue-footed booby jokes, we managed to find a handful of cards that appeared to hold messages of substance.

BBC: The world��s most charming mailbox

Heres how it works.

FORBES: In search of antigens