Classification: The Worst Cat January 31, 2017 Marc Abrahams “The Worst Cat” tumblr, which features a hippopotamus, is a meditative essay on the power of classification. Share this: Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Share on Mastodon (Opens in new window) Mastodon Share on Bluesky (Opens in new window) Bluesky