The idea is cool with all the apps interconnecting, but where do I go to actually see this in practice. Does the cross communication only work on platforms like Mbin/piefed, or am I not seeing something.
I keep hearing thanks to activity pub posts here can be seen and replied to from elsewhere, but I haven’t seen it.
Yes, Sharkey is a microblogging service and it can’t create headings, but it still displays them correctly. Among other things, this is better than with Mastodon.