Why Nintendo isn't interested in the digital arms race

How do you know if one piece of technology is "better" than its competitors? For the well-read consumer, it usually comes down to sheer power numbers. Run down the list and it's all about resolution, frame rate, battery life, storage, pricing, etc. For gamers, it's also about what and how many titles you're getting. That's not to discount all the other factors that determine whether a home console is worth a purchase — like online features, how they function, what they cost.  But there's been...