StarCraft II: Heart of the Swarm sells 1.1 million in 48 hours

StarCraft II: Heart of the Swarm sold 1.1 million units in its first 48 hours after launch. Activision Blizzard revealed the figures in a press release today, also noting another 1.1 million tuned in to the developer's 21-hour launch day livestream. The expansion pack launched globally on March 12. Of course, Blizzard's real-time strategy update didn't come close to dethroning its last big release