This site picks up the web browser's language. If you add another one in your browser, you need to close the browser and restart it. (The instructions on how to change the preferred language in the web browser vary between Internet Explorer, Firefox and Chrome, but they can be easily found on Google).

The notifications you get from this site can be managed from you profile options by clicking on your user icon in the top right corner. Then you can go to Subscriptions to manage what types of emails you get and to Email Preferences to configure the frequency of these emails.