If you are a VNOI wiki contributor, we store your Facebook info when you login with Facebook the first time. This is used to verify your access to VNOI wiki.
If you are not a VNOI wiki contributor, you do not need to login with Facebook, and no data from Facebook is stored.
If you want to delete your Facebook data, please follow the following steps:
After we receive your request, your Facebook user data will be deleted within 1 week.