<p dir="ltr"><a href="https://www.redfin.com/devblog/2010/05/how_and_why_twitter_uses_scala.html">https://www.redfin.com/devblog/2010/05/how_and_why_twitter_uses_scala.html</a></p>
<p dir="ltr">"You’ve probably seen a gradual increase in stability. At conferences, people ask us if it was the switch from Ruby to Scala, or if it was more machines. But really what did it was gathering numbers on everything, setting metrics and trying to improve."</p>