https://support.google.com/admanager/thread/306669383/what-is-the-%F0%9D%9F%9A%F0%9D%9F%9C-%F0%9D%95%99%F0%9D%95%A0%F0%9D%95%A6%F0%9D%95%A3-rule-for-%F0%9D%95%83%F0%9D%95%A6%F0%9D%95%97%F0%9D%95%A5%F0%9D%95%99%F0%9D%95%92%F0%9D%95%9F%F0%9D%95%A4%F0%9D%95%92
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