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As a reminder, Whatsapp had *35* engineers for 450M users at the time of its acquisition by FB (2014). It had *50* engineers for 900M users (2015).

https://www.wired.com/2015/09/whatsapp-serves-900-million-us....

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these comparisons to whatsapp are really tiring, twitter is a totally different product. twitter is more similar to facebook than whatsapp from an engineering requirement's perspective, messaging is a minor feature of twitter's. even from a non-tech perspective, the presence of public data & the moderation requirements that entails alone makes it operationally different enough to not be a good comparison...

You must not work in tech if you think Twitter and Whatsapp are in any way comparable

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