I have this feeling that due to DA's error, I miss out on a few birthdays. Usually when it's someone's birthday in a week, your left side of the message page would show. But a few times I found out there's an error that didn't show some user's brithdays.
's birthday. (Happy birthday to him btw) I didn't find his name at the left side of the message page. If it wasn't for him telling me about it, I wouldn't know his birthday happened at the start of the month.
Another example is
Again, he reminded me about his birthday, and DA didn't show his name at the left side of the message page.