Alex Payne from Twitter [1] will be giving a presentation at Web 2.0 Expo San Francisco on 01 April 2009 [2] about why they use Scala at Twitter. Alex is API Lead at Twitter, a social network of individuals sharing short status updates via the web, SMS, IM, and an extremely popular API. Since taking on the support and development of Twitter’s API, the service has grown to hundreds of millions of requests per day.
Links:
[1] http://twitter.com/
[2] http://www.web2expo.com/webexsf2009/public/schedule/speaker/3485