How 3D NAND flash works and why it is important

What is 3D NAND flash? Why should we care about it and what sort of challenges will it present?

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3D NAND flash is a new type of flash memory that stacks cells vertically, providing considerably more electrons, leading the manufacturers to believe that increased capacities and lower costs are available. 3D NAND flash is estimated to become generally available by approximately 2013 or 2014.

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