At Viddler (http://www.viddler.com http://www.viddler.com), we're using Java for the core parts of the site, including an API, which we build on top of using a

At Viddler (http://www.viddler.com http://www.viddler.com), we're using Java for the core parts of the site, including an API, which we build on top of using a combination of Ruby and PHP.