You needn't look further than WhatsApp's own blog to understand the story of how the world's most popular smartphone messaging app came to be. The trick is to dig beyond the surface of this five-year-old company to grasp its steadfast product execution and user engagement.
Like its founder, WhatsApp is a quiet company, the Wall Street Journal explains. "Sequoia says WhatsApp didn't spend a single penny on marketing and is a veritable stranger in the U.S. - there is 'no other home grown technology company that's so widely loved overseas and so under appreciated at home,' the venture-capital firm said."