Blizzard Entertainment's digital card game Hearthstone: Heroes of Warcraft has publicly launched on the Mac after a brief public beta period. The free-to-play collectible card game is set in the Warcraft universe, allowing players to compete with Magic-style decks in one-on-one fights via Battle.Net -- Blizzard's online gaming platform -- or against the computer. Though it's only launching on Mac and PC today, Blizzard has promised iPhone and iPad versions of the game as well. The Hearthstone beta is complete and we wanted to take a moment to thank all of our participants for their incredibly valuable feedback and support. If you haven’t had the chance to jump into the game, now is the perfect time to check out the fast-paced strategy card game that’s fun for everyone. If you’re new to Hearthstone, getting started is