If loose lips sink ships, a too-revealing mystery shopper could certainly submerge an hotelier or two.

CNN: Confessions of a hotel mystery shopper

It is thought the mine, which was designed to sink big ships, was originally dropped by parachute during WWII.

BBC: Huge explosion as experts detonate large WWII mine

Once a storm caused two ships to sink in the same area and all on board were lost at sea, save one from each ship, who survived only because they swam to a nearby island.

FORBES: Speak "Banker" As A Second Language

The dread scenario goes something like this: the emerging Asian economies--Thailand, Malaysia, Indonesia, Singapore and the Philippines--either slow sharply or sink into recession, and the ills spread throughout the rest of Asia, including Japan, which ships nearly half its exports to those countries.

CNN: Still On A Roll?