You should only follow indexes you trust, or <x id="START_LINK" ctype="x-a" equiv-text="<a>"/>host your own<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/>.
You can subscribe to the channel via any ActivityPub-capable fediverse instance.<x id="LINE_BREAK" ctype="lb" equiv-text="<br />"/><x id="LINE_BREAK" ctype="lb" equiv-text="<br />"/> For instance with Mastodon or Pleroma you can type the channel URL in the search box and subscribe there.
Your current email is <x id="START_TAG_SPAN" ctype="x-span" equiv-text="<span>"/><x id="INTERPOLATION" equiv-text="{{ user.email }}"/><x id="CLOSE_TAG_SPAN" ctype="x-span" equiv-text="</span>"/>
You can interact with this via any ActivityPub-capable fediverse instance.<x id="LINE_BREAK" ctype="lb" equiv-text="<br />"/><x id="LINE_BREAK" ctype="lb" equiv-text="<br />"/> For instance with Mastodon or Pleroma you can type the current URL in the search box and interact with it there.
the sharing system used for this video implies that some technical information about your system (such as a public IP address) can be sent to other peers.