Allow <x id="START_TAG_STRONG" ctype="x-strong" equiv-text="<strong>"/>your users<x id="CLOSE_TAG_STRONG" ctype="x-strong" equiv-text="</strong> "/> to look up remote videos/actors that may not be federated with your instance
An HTTP request has to be sent on each tracker for each video to spy. If we want to spy all PeerTube's videos, we have to send as many requests as there are videos (so potentially a lot)