Monday's much-anticipated WWDC keynote was Apple's most crucial presentation in years. AAPL stock has fallen 37 percent over nine months. Android has grown into a monstrous competing platform, differentiating along the lines of lower cost, variety of devices and appealing operating-system features. In this sharp-elbowed environment, Apple has been widely accused of losing its innovation mojo, and of over-reaching with premium product concepts and prices, in what is increasingly viewed as a commodity tech category.
Facing an audience of developers whose businesses depend on Apple's
