Mullenweg: ‘Biggest Failure’—$7.5B Crisis, Tumblr, & WP War
Mullenweg: ‘Biggest Failure’—$7.5B Crisis, Tumblr, & WP War Summary Automattic CEO Matt Mullenweg admitted at WordCamp Canada 2025 that the 2019 acquisition of Tumblr is “probably my biggest failure or…