What do all of these have in common?
The Fediverse
Bluesky
Threads
Flipbook
Wordpress
and soon, Tumblr
The reach is growing! 
#ActivityPub #Fediverse #Bluesky #Threads #Flipbook #Wordpress #Tumblr
Tumblr to join the fediverse after WordPress migration completes | TechCrunch
Since 2022, blogging site Tumblr has been teasing its plans to integrate with the fediverse -- the open social web powered by the protocol ActivityPub
TechCrunch (techcrunch.com)