Sigh.
You people....
Not only does the vacuum contain information, but how much of it you see depends on how fast you're traveling.
Information is entropy, and entropy is relative.
"Number of microstates" completely loses its meaning at some point.
Actually this is an extremely interesting topic, and it remains a point of great contention among scientists.
One school of thought (I'll call it the Landsberg school) claims that entropy is a relativistic invariant. Because it claims that the number of microstates does not change as one moves faster.
The other school of thought (I'll call it the Israel school) claims the number of microstates DOES change, based on the reduced density matrix.
As of today the Landsberg school is more popular. HOWEVER, experiments have shown clearly that the reduced density matrix changes the information content by a factor of sqrt(2). The Landsberg school claims this is because of geometry, whereas the Israel school claims it's intrinsic
The quantum computing types don't care, they just take it for granted and don't worry about the reasons. But if the PERCEIVED information content changes at speed, it tells us something fundamental about the physics of the universe.
I personally lean towards the Israel school. I don't buy the geometric argument, I think it's handwaving. In contradiction to relativistic causality, quantum system are known to be reversible. I think this is where the extra information lives, and it's "hidden" from relativity somehow.
I'm not a physicist and it's not generally a topic I speak on. But, y'know, "fyi". I'm interested in information from the standpoint of brains, so I have to study the physics. I also think entanglement plays into this somehow, there's a fraction of a dimension we can't access in the normal way, but we can see its effects when we measure.
