Acton on WhatsApp's mission: "We don't want to build a hookup app so you can find someone weird to talk to. It's not what we're about. We're about your intimate relationships." Source. Koum on ...

From investor Warren Buffett and entrepreneur Mark Cuban to tech mogul Jeff Bezos and media maven Oprah Winfrey, Business Insider rounded up quotations about money from self-made billionaires that ...