DEV Community

Discussion on: System Design: WhatsApp

Collapse
 
juanvegadev profile image
Juan Vega

Nice article.

I think there is a typo on number of message estimations.

each user sends at least 10 messages to 4 different people every day.

It says 10 messages to 4 people which would be 40 message and then you use 20 messages for the calculation.