Blizzard Entertainment have released a new StarCraft II: Heart of the Swarm video that you can see here. The video highlights the social features included in this first expansion to the real-time strategy game StarCraft II: Wings of Liberty. Starcraft heart of the swarm will be available in stores and online on March 12, 2013. Starcraft Heart of the Swarm features a new campaign continuing the epic story of Sarah Kerrigan, Queen of Blades, as she gathers the remnants of the zerg Swarm and plots her revenge against the treacherous dictator of the Koprulu sector, Arcturus Mengsk. It also introduces several new multiplayer units and features that enhance the acclaimed StarCraft II online experience. http://youtu.be/SlHbmuzz2D0 You can read more Starcraft facts here.