var user = new Schema({
email   : {type: String},
firstName: {type: String},
lastName: {type: String},
username: {type:String},
password: {type:String},
privacy : {
  displayEmail: {type: Boolean, default: true},
  displayUsername: {type:Boolean: default: true},
  displayfirstName: {type:Boolean: default: true},
  displaylastName: {type:Boolean: default: true}
})