{
  [
  {
    _id: '', // user's id
    fullname: '',
    username: '', // unique username
    email: '',
    password: '',
    posts: [
      {
        status: '', // user post content
        date: '', // new Date()
        comments: [
          {
            reply: '', // actual comment
            on: '', // new Date()
            by: '' // user_id of the user who commented
          }
        ], // array of comments
        likes: [
          {
            by: '', // user_id of the user who liked
            liked: boolean // true or false
          }
        ] // array of likes
      }
    ],
    info: {
      dob: '', // date of birth
      city: '',
      phone: '',
      email: {
        primary: '', // mail used by the user for registration
        secondary: '', // optional email
      },
      bio: ''
    }
  }
  ]
}