Creating Tumblr not only made Karp the patron saint of Silicon Alley after its $.1 billion sale to Yahoo last spring, it also birthed a whole new approach to blogging. The platform’s minimalism, a dramatic departure from the design of nearly all of its competitors, is part of its beauty, carrying with it the intention of motivating creativity in its users. This exceptionalism has made it home to over 170.2 million blogs and a favorite of Beyoncé.