Our understanding of building platforms and sequencing towards them is still nascent. From how to shift the allocation of resources between a company’s core business and its potential future expansions to how to structure a platform to catalyze its growth and more. Until the playbook is well understood, it is more art than science. There are many decisions to make, including which layers should be centralized, whether the ecosystem should be driven by open source contributors or profit-seeking enterprises, how broad in scope to allow the ecosystem to grow and where to not let it grow, and more.