How to reply this in Korean language??? Hi, recently I sent a greeting message to my Korean friend through Facebook in her birthday, so she is asking me why I know today is her birthday? Our message Me: Happy birthday!!! Korean Friend: 어떻게 알았어요? 고마워요 Me: (Facebook will notice me everyday for my friends birthday) Therefore, could you please help me to translate (Facebook will notice me everyday for my friends birthday) into Korean? Thank you very much in advance!