http://www.youtube.com/watch?v=kYQz6W5wV1M The most popular Hearthstone game, Hearthstone is a strategy card game played by humans and orcs, elves, and dwarves.It has been in development for about four years, with more than 500,000 units in print and over $3.3 billion in revenue.“The idea behind Hearthstone is to make a game for the human race,” Hearthstone co-creator Mark Kern told me in […]