privacyOptions = { // true means exposed
  _id: true,
  commentCount: true,
  createdAt: true,
  email_hash: true,
  isInvited: true,
  karma: true,
  postCount: true,
  slug: true,
  username: true,
  'profile.name': true,
  'profile.notifications': true,
  'profile.bio': true,
  'profile.github': true,
  'profile.site': true,
  'profile.twitter': true,
  'services.twitter.profile_image_url': true,
  'services.facebook.id': true,
  'services.twitter.screenName': true,
  'services.github.screenName': true, // Github is not really used, but there are some mentions to it in the code
  'votes.downvotedComments': true,
  'votes.downvotedPosts': true,
  'votes.upvotedComments': true,
  'votes.upvotedPosts': true,
};
 
// minimum required properties to display avatars
avatarOptions = {
  _id: true,
  email_hash: true,
  slug: true,
  username: true,
  'profile.name': true,
  'profile.github': true,
  'profile.twitter': true,
  'services.twitter.profile_image_url': true,
  'services.facebook.id': true,
  'services.twitter.screenName': true,
  'services.github.screenName': true, // Github is not really used, but there are some mentions to it in the code
}