Shark Tank is one of the most popular TV reality shows in the world. The show started in Japan in 2001 as 'The Tigers of Money' on Nippon TV. In a short time, this format spread around the world under different names including 'Dragon's Den', 'Lion's Den', 'Shark Tank'. Currently, the show is broadcasted regularly in more than 50 countries of the world, including the United States, the United Kingdom, Canada, Sweden, India, Germany, Australia, China, and Brazil. The popular reality show now… details