While monorepo is still a thing, they created a feature called “silos” to allow secret projects, to prevent fiascos like Dragonfly (censored search in China) an

While monorepo is still a thing, they created a feature called “silos” to allow secret projects, to prevent fiascos like Dragonfly (censored search in China) and Maven (DOD drone image recognition) which both were discovered from monorepo. Ironically, Allo cancelation was discovered by Allo team from a comment in a check in which was made by mistake days/weeks before the announcement.