We have suspected this was coming for some time now. With transistors now built from gates only two and three atoms wide, the inevitable had to happen. And with high K dielectrics not working as planned (IBM had to halt manufacturing a new design when a Dow Chemical material failed to stay attached to the chip), well:
Intel's Big Shift After Hitting Technical Wall
Processors will now return to concepts used in the 8080 - multiple chips form a CPU. Also expect multiprocessing in desktop machines.