Other strategies are more what you'd expect from any good business: more research and development, a simpler experience and a stronger push into developing markets like Brazil and China.

ENGADGET

However, Microsoft continues its research and development programs relating to 3-D.

CNN: Xbox exec not sold on 3-D gaming

No research to date has shown a definitive link between vitamin D and the development or progression of MS because it is possible people with MS simply have low vitamin D levels.

WSJ: Swedish Study Links Multiple Sclerosis to Vitamin D Levels

San Francisco (CNN) -- Sunday's debut of the Nintendo 3DS, a hand-held game system with a 3-D display that doesn't require special glasses, isn't just the culmination of several years of research and development for one product.

CNN: Mark Milian