The iPhone 4S fueled heavy demand for Apple gear in Q4 2011. By December, tides had turned a bit and 45% of smartphone buyers opted for the iPhone 4S after only 30% were using the iPhone earlier in the quarter.

Apple has its iWork chief handling the digital textbook project that could well change the way people in college use textbooks. I can’t wait to see what they have in store. It would be great to have digital school books on the iPad and iPhone.