# Zwraca rozsdnie sformatowany acuch z lokalizacj uytkownika
  def location
    if not zip_code.blank? and (city.blank? or state.blank?)
      lookup = GeoDatum.find_by_zip_code(zip_code)
      if lookup
        self.city = lookup.city.capitalize_each if city.blank?
        self.state = lookup.state if state.blank?
      end
    end
    [city, state, zip_code].join(" ")
  end

