Twitter jilts Ruby for Scala • The Register Famously, when Twitter's Web2.0rhea app was suddenly embraced by digerati+dog in late in 2007, its original Ruby on Rails architecture had more than a little trouble keeping up the endless stream of digital solipsism. But in mid-2008, the web's startup-of-the-moment quietly ported some of its core code to Scala, and according to Twitter developer Alex Payne, the switch should stand as a lesson to cutting-edge coders everywhere. in Public bookmarkswith railsrubyscalaslowspeedswitchtwitter