BBC - Apr 8 - The co-founder of dating app Bumble, Whitney Wolfe Herd, has joined Forbes list of the super-rich. The 31-year-old became the world's youngest self-made female billionaire when she took Bumble public in February. Before Bumble, she was among the founding team at Tinder but after tensions with other executives - one of whom she had been dating - she left. The central focus of her app is that only women can initiate a conversation in heterosexual matches. She founded Bumble with help from early investor Russian billionaire Andrey Adreev, who also had a stake in Badoo, both of which he sold in November 2019. Ms Wolfe Herd owns a 11.6% stake in Bumble, giving her an estimated net worth of $1.3B. She also heads Badoo. The two apps have a combined 40M users, 2.4M of whom pay a subscription.