10 years ago this Sunday, with modest expectations and little fanfare, Marco and I launched a side-project called Tumblr—a place where anyone could “post anything and customize everything.” Why did the world need Tumblr? I wasn’t sure it did. But I did.

David Karp

A decade of Tumblr. Thank you, David! Also, big thanks to the amazing people at the company and this magical community of ours.