DM 공유 루프

<div class="s-demo"><div class="dm"><div class="dm-stage"><small>PUBLIC VIDEO</small><b>IS THIS USEFUL?</b></div><div class="dm-arrow">→</div><div class="dm-chat"><small>PRIVATE CHAT</small><b>THIS ANSWERS IT.</b><span>↗ SEND</span></div><div class="dm-arrow">→</div><div class="dm-friend"><small>FRIEND</small><b>WATCHES</b></div></div></div>

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