We wanted to build big distributed systems, fault tolerant systems. The sort of systems that everybody wants to build today. It's not just about tele… - Joe Armstrong

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We wanted to build big distributed systems, fault tolerant systems. The sort of systems that everybody wants to build today. It's not just about telecom. At the time it was just about telecom but now, it's not just about telecom. Virtually, every big systems you want to build has to do these things. You want to connect millions of people and you don't want if the system fail in anyway, you don't want these individual transaction to be broken. We started to working on that, way back. That sort of way we got Erlang.