So I don't think it was unusual for Bartok to pick a revisionist rendition of a dark and terror-filled fairy tale as the libretto for his first and only opera, Duke Bluebeard's Castle.

NPR: Breaking Through to Bartok

But there is a dark side to the tale, too.

ECONOMIST: Counting the cost of success

For games that inspired Ghost of a Tale, Gallat lists Zelda, Ico, the Gothic series and Dark Souls.

FORBES: Connect

But wait at the coffee shops after dark to talk to some of Muscat's bloggers and tweeters and a different picture emerges, of tell-tale clicks on the line during phone conversations, of unusual activity on Facebook pages.

BBC: Why social media - not violence - could bring change to Oman