2 1 At the beginning of the century, an online festival spontaneously organized by hundreds of millions of netizens-online Valentine's Day, rose quietly in the Internet world. This is the first fixed festival in the virtual network world, which is scheduled for May 20th and May 20th every year, 2 1. The homonym of "520" and "52 1" is "I love you".

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Internet Valentine's Day is a love festival in the information age, which is scheduled on May 20th and May 2nd1every year. This festival originated from the metaphor of "520" in the digital love of singer Mavis Fan and the close relationship between "I love you" and "online lover" in the online songs of musician Wu Yulong. Later, "52 1" was gradually given the meaning of "I do, I love you" by couples. Online Valentine's Day is also called "auspicious wedding day", "confession day", "coquetry day" and "courtship day".