What's Behind These Super-Secret Trap Doors?

Feb. 12 (Bloomberg) -- Steve Humble started his design firm Creative Home Engineering in 2004 with the exclusive goal of making secret doors. Since then, Humble's business has boomed, creating approximately 300 doors for customers in over 40 countries. (Source: Bloomberg)
Smashburger Founder on Casual Dining's `Smashing' Success
05:25 - Feb. 27 -- Smashburger founder Tom Ryan discusses the company's success with Bloomberg's Pimm Fox on "Taking Stock."
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