8. Joshua Inkenbrandt

Missed: Instagram

He had a tough choice to make between Pintrest and Instagram. He chose Pintrest after a lot of deliberation. "I chose to work at Pinterest over Instagram. It was not an easy decision by any means because I really like Instagram and the guys who built it. I'll keep my reasons for choosing Pinterest to myself, but I will say that I don't regret the decision.” he told Quora.