If anyone is interested in Black Gold's pages you could refer to this list. I noticed that there isn't a direct link for Twitter in the site yet (or maybe I didnt see it at all

Facebook: https://www.facebook.com/BlackGoldOnline
Twitter:: https://twitter.com/BlackGoldOnline
Youtube channel: https://www.youtube.com/user/blackgoldonline
Reddit: http://www.reddit.com/r/blackgoldonline
If you are still looking for a Closed Beta key you should follow them (you should anyways
