> This is not apples to apples but Whatsapp is a product that entirely ran on 16 servers at the time of acquisition (1.5 billion users). WhatsApp is mostly a b

> This is not apples to apples but Whatsapp is a product that entirely ran on 16 servers at the time of acquisition (1.5 billion users). WhatsApp is mostly a bent pipe connecting user devices & relying on device storage. If WhatsApp had to implement Twitter functionality and business model (with same Engineers and stack), they'd need a lot more servers too. I'd hazard the number of servers would be in the same order of magnitude