Big Red Envelope
... that when Big Red Envelope was released, nearly half of its audience came from fourth-tier Chinese cities?
... that when <i id="mwB4c"><b id="mwB4g"><a href="./Big_Red_Envelope" id="mwB4k" rel="mw:WikiLink" title="Big Red Envelope">Big Red Envelope</a></b></i> was released, nearly half of its audience came from <a href="./Chinese_city_tier_system" id="mwB4o" rel="mw:WikiLink" title="Chinese city tier system">fourth-tier Chinese cities</a>?