However, there are only a handful of certainties in this business and one is that the very moment everyone in the game becomes convinced that stocks are simply going to continue to march uninterrupted in one direction or the other, Ms. Market tends to come along and make people look foolish.

FORBES: Avoid The Urge To Continue Guzzling Bull Camp's Kool Aid

The hack only works on locks made by Onity at the moment, and real life testing with a reporter from Forbes only succeeded in opening one of three hotel doors.

ENGADGET: Hacker finds flaw in hotel locks, can ruin your vacation with $50 DIY gadget