WhatsApp and Instagram, both acquired by Facebook, were actually a gold standard in lean development. 1o to 30 people for a massively popular product. If these

WhatsApp and Instagram, both acquired by Facebook, were actually a gold standard in lean development. 1o to 30 people for a massively popular product. If these companies were creating sprawling and unnecessary micro-service-based infrastructures, they would have easily needed headcounts 10 times as large. So it's really a case in point that Facebook is ultra-wasteful.