17 promising Shark Tank businesses that failed miserably 

Deeya
Still from Shark Tank (Image via Shark Tank)
Still from Shark Tank (Image via Shark Tank)

2. Foot Fairy

Still from the show (Image via Shark Tank)
Still from the show (Image via Shark Tank)

Founders Nicole Brooks and Sylvie Shapiro promised to help parents through their app that could accurately guess a child’s correct foot size. Marc Cuban offered to provide $100,000 for 40% equity but the deal never went through. It had ties with Zappos and an option to buy shoes from the app. The company soon went out of business due to app bug issues and is now defunct.

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Edited by Nimisha