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by somehnreader 3927 days ago
Hang on, I _could_ write a (small) twitter or (early) fb clone in a weekend. Easily. That would probably scale to 10k tweets or feed entries.

What I in _no_ way could do is rewrite fb or twitter at the scale these systems operate today with a billion users and even more posts and data points. I don't agree with the sentiment of the previous poster, but fb & twitter were initially basic CRUD apps.
1 comments
karmajunkie 3927 days ago
I have to disagree. They were messaging brokers masquerading as or mistaken for CRUD apps, which directly led to many of their early scaling issues.
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somehnreader 3926 days ago
But you can just implement them(the early versions) on any old server with a nice database installed if you want to. And you can do that in a weekend.

And yes of course you will want to take a step back and change almost everything about it if you want it to scale to more orders of magnitude.

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