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8 Reasons Why WhatsApp Was Able to Support 50 Billion Messages a Day With Only 32 Engineers
(newsletter.systemdesign.one)
This is a most excellent place for technology news and articles.
Dumb article. Will save everyone a click:
The same formula for every platform operating out there. What they don't talk about is efficiency, which is always the most juicy part of these kinds of writeups. You can scale anything to do 50b messages with enough money and resources, but how efficient is it?