Nintendo likes to have interviews with its own staff and discuss specific topics. These interviews are called Iwata asks and provide lots of behind the scenes information. President Of Nintendo Iwata asks the questions to the crew members and the interview style is a casual.
The most recent Iwata Asks was all about The Legend of Zelda Majora's mask 3d And the development of the game.
The interview is very long but it's a great read ad can be found here.