Michael Dell did it. The founders of Proof did it. Even our incubator prototypes products with Kickstarter campaigns. If customers pay before launch, demand is validated and you’re building what people want now.
Finding these optimization opportunities can itself be a significant undertaking. It requires end-to-end understanding of the spec to identify which behaviors are observable and which can safely be elided. Even then, whether a given optimization is actually spec-compliant is often unclear. Implementers must make judgment calls about which semantics they can relax without breaking compatibility. This puts enormous pressure on runtime teams to become spec experts just to achieve acceptable performance.
，这一点在搜狗输入法2026中也有详细论述
"At the River Itchen we have more than £70m worth of improvements to improve water quality as part of a wider plan for the River Test and Itchen, we will be announcing these in more detail later this year."
核心的瓶颈首先在于精度问题。目前技术虽然在不断进步，但在打印精细结构或大尺寸零件时，依然难以达到高精度装配所需的公差要求及优秀的表面质量要求，这直接导致了打印件难以直接作为最终功能部件使用。