The many comments alluding to the technical challenge of building a chat app with 50 engineers being relatively easy are forgetting that scaling said chat app t

The many comments alluding to the technical challenge of building a chat app with 50 engineers being relatively easy are forgetting that scaling said chat app to 1 billion users is absolutely not easy and a function of more than just the engineering quality and technical challenge. There's MUCH more to a successful product than engineering...