Once upon a time, Cisco, Ericsson, Klarna, Goldman Sachs, T-Mobile, WhatsApp, Amazon and many other top companies kept a secret. Erlang was that badly kept secret. Many have heard of it, but few realise that it controls vast amounts of infrastructure, including the fixed and mobile networks we use on a daily basis. It was monumental when Cisco revealed that it ships 2 million devices per year runn
![Companies Who Use Erlang](https://cdn-ak-scissors.b.st-hatena.com/image/square/701eb00f748c73f7e77655d06a8774e0c651343e/height=288;version=1;width=512/https%3A%2F%2Fwww.erlang-solutions.com%2Fwp-content%2Fuploads%2F2021%2F01%2Ferlang-pie-chart.png)