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    <p>From <em>Programming Erlang</em>:</p> <p><a href="http://bks8.books.google.com/books?id=Qr_WuvfTSpEC&amp;printsec=frontcover&amp;img=1&amp;zoom=5&amp;sig=ACfU3U2F4YY4KqO0vCuZ4WEZjdE2yFFvvg">alt text http://bks8.books.google.com/books?id=Qr_WuvfTSpEC&amp;printsec=frontcover&amp;img=1&amp;zoom=5&amp;sig=ACfU3U2F4YY4KqO0vCuZ4WEZjdE2yFFvvg</a></p> <h3>Many companies are using Erlang in their production systems:</h3> <p>• <strong>Amazon</strong> uses Erlang to implement SimpleDB, providing database services as a part of the Amazon Elastic Compute Cloud (EC2).</p> <p>• <strong>Yahoo!</strong> uses it in its social bookmarking service, Delicious, which has more than 5 million users and 150 million bookmarked URLs.</p> <p>• <strong>Facebook</strong> uses Erlang to power the backend of its chat service, handling more than 100 million active users. <br/> <br/> • <strong>WhatsApp</strong> uses Erlang to run messaging servers, achieving up to 2 million connected users per server.</p> <p>• <strong>T-Mobile</strong> uses Erlang in its SMS and authentication systems.</p> <p>• <strong>Motorola</strong> is using Erlang in call processing products in the public-safety industry.</p> <p>• <strong>Ericsson</strong> uses Erlang in its support nodes, used in GPRS and 3G mobile networks worldwide.</p> <p><br/></p> <h3>The most popular open source Erlang applications include the following:</h3> <p>• The 3D subdivision modeler <strong>Wings 3D</strong>, used to model and texture polygon meshes.</p> <p>• The <strong>Ejabberd</strong> system, which provides an Extensible Messaging and Presence Protocol (XMPP) based instant messaging (IM) application server.</p> <p>• The <strong>CouchDB</strong> “schema-less” document-oriented database, providing scalability across multicore and multiserver clusters.</p> <p>• The <strong>MochiWeb</strong> library that provides support for building lightweight HTTP servers. It is used to power services such as MochiBot and MochiAds, which serve dynamically generated content to millions of viewers daily.</p> <p>• <strong>RabbitMQ</strong>, an AMQP messaging protocol implementation. AMQP is an emerging standard for high-performance enterprise messaging.</p>
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    1. POWhere is Erlang used and why?
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    1. CORamiz Uddin - which new system are you talking about when you say "No, it's not?"
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    2. CO@RamizUddin which new system are you talking about when you say "No, it's not?" (I'm just repeating a question by Great Turtle who a couple of years ago forgot the @ in front of your name - I think that it deserves an answer nonetheless)
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      1. USWalter Tross
 

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