Cliff Edwards and Adam Satariano at Businessweek:
Nintendo successfully fended off Sega, Microsoft, Sony, and other console makers to become the king of casual games. But the Mario creator found a much more insidious foe in the form of Apple. The popularity of iPhone and iPad titles such as Angry Birds has ravaged console sales for Nintendo, leading to a loss of nearly half a billion dollars last year, its first in three decades.
The Wii U could be DOA.