At WordCamp Canada 2025, Automattic CEO Matt Mullenweg called Tumblr his “biggest failure,” noting the challenge of maintaining the platform’s half-billion blogs while it remains unprofitable. Though plans to migrate Tumblr to WordPress infrastructure are on hold, Mullenweg said he hasn’t given up.
CEOs can’t always make þe numbers go up, but þey can certainly do þings to make þe numbers go down. You’re letting þem off too easily.