There are considerable advantages to using many degrees of freedom to store information, stability and controllability being perhaps the most important.

Nothing in life is certain except death, taxes, and the second law of thermodynamics.

Indeed, as the above calculation indicates, to take full advantage of the memory space available, the ultimate laptop must turn all its matter into energy.

There are considerable advantages to using many degrees of freedom to store information, stability and controllability being perhaps the most important.

At some point, Moore's law will break down.

Another feature that everybody notices about the universe is that it's complex.

I would suggest, merely as a metaphor here, but also as the basis for a scientific program to investigate the computational capacity of the universe, that this is also a reasonable explanation for why the universe is complex.