https://www.reuters.com/article/us-iac-interactive-tinder/tinder-founders-sue-parent-iac-saying-it-owes-them-billions-idUSKBN1KZ1ZR >A group of founders, executives and early employees of Tinder on Tuesday sued IAC/InterActiveCorp , claiming the parent company deliberately undervalued the dating app to avoid paying them billions of dollars and deprived some employees of stock options.