For decades, the density of transistors that can be economically put on a chip has doubled roughly every two years. In 2010 the International Technology Roadmap for Semiconductors predicted the pace slowing to only a doubling of chip density every 3 years. Now Intel has announced the most dramatic change to the architecture of the transistor since it was invented. New Intel fabrication will build all transistors in 3 dimensions.
If it works, Moore's Law will continue for at least another 6 years, with an eightfold increase in transistor density during that time.
Other manufacturers have different ideas, so it will take time to see which are successful.
The IEEE article is at:
http://spectrum.ieee.org/semiconductors/devices/transistor-wars/0
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