That's largely in part due to its founder and CEO David Karp, who has followed and executed his vision for the product from day one.
Union Square Ventures partner
"He wanted Tumblr to be a positive place on the Internet," Wilson writes. "The entire design of the service was with that in mind."
That's why there are only upvotes and no downvotes on the platform. Wilson says he was pretty persistent, but he eventually gave up and let Karp do his thing.
Today, Tumblr has more than 106 million blogs on the platform, with roughly 50 billion posts collectively. Meanwhile, Karp's net worth now exceeds $200 million.
"In hindsight, I think David was right and I was wrong," Wilson writes. "I wanted him to build something that felt more like Wordpress or Typepad (where I blog). He had something different in mind. And to David's credit, he had the courage of his convictions to follow his own instincts."