Certainly the #Threads people are having some hiccups with their phase 1 #ActivityPub rollout today.
I can't follow @mosseri@threads.net from here because, apparently, wait for it ... an SSL certificate error!
Always very gratifying to see when the big guys have the same problems as us little guys :-)
@J12t SSL verification is one of those "hard at scale, simple in the small" problems :D
You know... like privacy and data stewardship ;)