This is another development in an accelerating rate of change [sounds like calculus] that is making the heavy and sexy large cameras obsolete. It's happening faster than anyone anticipated.
Toshiba is Making a Lightfield Camera for SmartphonesRecently, one of the most paradigm shifting developments in camera technology is Lytro's lightfield camera, that takes images in a way that one can focus after the shot has been taken. It may not be foe everyone but there's much promise the technology, especially with cheaper cameras. historically
Toshiba is taking this technology and using it in smartphones and, perhaps, tablets. What is interesting is that your cell phone can out perform your expensive DSLR. Go figure.