<sod >Just ask Sean Rad, the co-founder of the popular dating app, Tinder, who is heading for the exit door of the company that has transformed romance in the digital era in the most un-loving way.< eod>< sod > Just ask Sean Rad, the co-founder and chief executive of the popular dating app, Tinder, who has been shown the door of the company that has transformed romance in the digital era in the most un-loving way.< eod>