The article seems to detail exactly what the headline says. ¯\_(ツ)_/¯

We already experience 4D; our fourth dimension is time.

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Alternatively, the statement can be made in either of two additional contexts:

1. I didn’t bother to compare these because of their glaring dissimilarities/ my own laziness.
2. It is obvious to the casual observer that a comparison between these things would not produce a meaningful result, and therefore I’m pointing out that comparisons would be moot.

Despite providing a username, it’s probably more difficult for the Heritage foundation to find them than it was for the hacker(s) to gain entry to the system. Even the announcement was encrypted via telegram.