With <x id="START_TAG_STRONG" ctype="x-strong" equiv-text="<strong>"/>Do not list<x id="CLOSE_TAG_STRONG" ctype="x-strong" equiv-text="</strong>"/> or <x id="START_TAG_STRONG" ctype="x-strong" equiv-text="<strong>"/>Blur thumbnails<x id="CLOSE_TAG_STRONG" ctype="x-strong" equiv-text="</strong>"/>, a confirmation will be requested to watch the video.
The <x id="START_LINK" ctype="x-a" equiv-text="<a>"/>sharing system<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/> implies that some technical information about your system (such as a public IP address) can be sent to other peers, but greatly helps to reduce server load.