translation.en: It sounds like agile software development, A/B testing and iteration, and what we thought you could only do with software kids in Shenzhen are doing this in hardware.
translation.zh: 这听起来像灵活的软件开发， A/B测试和重复， 我们认为只能在软件层面完成的事情， 深圳的孩子是在这种硬件上完成的。