Sid spoke of a couple of interesting new concept in previus interview. To be fair he said the same about Dino...
They are probably realizing Civ in multiplayer is always difficult to set up properly (PBEM and Hotseat are probably not really considered multiplayer).
Let's look the glass as half full: may be they are considering to implement our loved Simultaneous Turn Execution, at least in multiplayer
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A weapon is a device for making your enemy change his mind. The mind was the first and final battleground, the stuff in between was just noise.
- Admiral Naismith