Companies Who Use ErlangOnce 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
