In addition, a few months ago, a massive festival of free marketing took place in the comment section of the first video on Chungju Man Kim Seon-tae's independent YouTube channel, as various brands such as Woori Bank, Mega Coffee, and Simmons Bed joined the fray by sending advertising offers with witty comments. Recently, this phenomenon has also been appearing frequently on online threads. Overseas, companies like Coca-Cola and Pepsi have also been conducting this type of viral marketing extensively.