A Sponge Is 'Shark Tank''s Most Successful Product of All Time
A Sponge Is 'Shark Tank''s Most Successful Product of All Time
Since its debut in 2009, Shark Tank has its fair share of start-up success stories, but it may surprise you that it's most successful product is a sponge.
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A Sponge Is 'Shark Tank''s Most Successful Product of All Time
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