We ask so we can keep younger members safe. It is never shown on your profile. Members under 18 need a linked parent for friends and purchases, and the date can only be changed later by a review.
A parent must allow social links for anyone under 18, or when no birth date is entered. Enter your date of birth above to add yours, or add them later from your profile.
Add any you like. Only secure https links to the real site are accepted. They open behind a “You are leaving G-Nook” page.