Health experts say it will soon become the world's leading killer.

VOA: special.2009.01.13

People have described Guild Wars 2 as a possible World of Warcraft killer, and while I think the two games are different enough to make this a non-issue, bringing the game to Mac is almost certainly a shot fired across the bow at Blizzard.

FORBES: 'Guild Wars 2' Is Coming To Mac

"It solved a real world problem: The killer idea was to make email available on the web, " Bhatia tells CNN.

CNN: 'Mr Hotmail' seeks new challenges

The iPhone remains what the book publishing world calls a category killer.

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