The concept of Minimum Viable Product is vague on Viable, and it is the creator, not the customer, who is happy with Minimum. Then, he suggested combining Testable/Usable/Lovable, which is a detailed version of Viable, with Earliest, which the customer is happy with. I think it’s very good.
This page is auto-translated from [/nishio/Eariest Testable Product](https://scrapbox.io/nishio/Eariest Testable Product) using DeepL. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I’m very happy to spread my thought to non-Japanese readers.