Virtual Realms is a cool idea at its core. It's basically an advanced version of cross realm play that allows players in the same virtual realm to join the same guild, access a single Auction House and group up to run a raid.
via N4G: pc news feed http://n4g.com/news/1316278/the-reason-why-world-of-warcraft-gets-virtual-realms
via N4G: pc news feed http://n4g.com/news/1316278/the-reason-why-world-of-warcraft-gets-virtual-realms