ELI5

@JonEFive @s804 I know Mastodon doesn't recognize the !. Using the @ will let you comment on posts from a community you are following, (and all posts to the community show as if the community "user" re-tooted them all in your feed), but posting original posts from Mastodon doesn't work well. It used to not work at all, since Mastodon implemented the ActivityPubl implementation for Title "wrong" (a title from another instance shows as a Content warning on Mastodon, and posting a Content warning on mastodon doesn't show like a title anywhere unless they have software specifically designed to recognize its from mastodon and handle it differently) I know there had been a lemmy change to specifically use the first line of a toot from mastodon to @[email protected] as a title to a new post, but I have only seen it ever look like garbage. Even though Mastodon is by far the most popular platfrom on the 'verse its really the least feature rich. Even the granddaddy of them all (GNU Social) has more features, though the code isn't regularly maintained (v3 being released feels like "when Covid is over" level of never).