
520 = Wǒ Ài Nǐ
“In Mandarin, these three digits sound like 'I love you.' A billion people agree.”
In Mandarin, 520 (wǔ èr líng) sounds like 'I love you' (wǒ ài nǐ). May 20th is China's Internet Valentine's Day. Also the area code for Southern Arizona.