You can add smartphones to that list: vastly more durable than the first generation, with shatter-proof glass, water-resistance, etc. And you can also add lase

You can add smartphones to that list: vastly more durable than the first generation, with shatter-proof glass, water-resistance, etc. And you can also add laser eye and cosmetic surgery: have advanced by leaps and bounds in terms of safety and quality, while actually becoming less costly for the consumer.