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10 secrets you'd never guess about 'Shark Tank'

'Shark Tank' talent Mark Cuban, Barbara Corcoran, Lori Greiner, Robert Herjavec, Daymond John and Kevin O’Leary

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Reality bites on Reality TV

Most fans know by now that none of the entrepreneurs who pitch their businesses on "Shark Tank" are actors, the products they pitch are real, and that Mark Cuban—who is speaking in Chicago this week at The iConic Tour, an event presented by Inc. and CNBC—and the other sharks really do invest their own money.

Still, there are many aspects of the hit business-themed series—including what it's like to be a shark—that end up on the cutting-room floor. Here are 10 things that may surprise you.

—By Graham Winfrey, special to CNBC.com
Posted 18 May 2015

Michael Desmond | ABC