• This appears to be a next-gen RSS of sorts
• Bluesky looks to be a host/server/app/front end for all the AT stuff
• explanation on reddit
• Blue sky's explanation
• explanation of the Fediverse as it applies to Blue Sky

• this appears to be a similar but incompatible protocol to AT
• This wordpress plugin called activitypub integrates WP with Mastodon

• These docs explain how to add an admin.
  • in config/local.config.php add something like

'config' => [
    'admin_email' => 'admin@mygreatdomain.com, admin2@example.com',
],