Critical Path CSS generation and deferred loading of CSS files
简单讲，要做L3，需要先做L2积累数据。那么要做L4，也一样依赖L3的数据。技术上他们是一脉相承的，不存在一口就能吃个胖子的技术路线。，更多细节参见91视频
The real challenge was managing the economics while bootstrapping the business without investors. Figuring out how much to invest in marketing versus distribution and how to approach retailers without overspending. Balancing growth with limited resources forced me to prioritize, experiment and get creative with every dollar.，详情可参考Line官方版本下载
玩法二：从世界上的某一扇窗看城市天气
康宝莱中国区总经理蔡孟红。 受访者供图