Perhaps a vote on the subject: On the left the Mull opponents; on the right the Mull siders.

I'm sure the NSA could give some guidance in this area

A door lock override from the ground if the flight crew calls from the main cabin with an appropriate code?

I think you missed the point - it was not the length per se, it was the relationship between the journey and the destination. In this case at the end you arrived ...no where at all. Hence the disappointment.

it could take longer than in his books, which, frankly, were interminable.

The Illustrated Man?

Absolutely

No projector required, only a thumb!

In any real world situation the effects, however minute, of the continually changing local gravitational field due to the motion of all mass and energy will affect the rate of local time and thus will confuse the concept of simultaneity. Only in an unreal highly static situation can you accurately define the idea.

not even possible to realize 'same reference frame' except in an idealized classroom example unless the two observers are coexisting in the same spot

Simultaneous? Ain't no such thing...

We must wait for the Chinese Laundry Bot

Oh crap! Are we going to start getting bombarded by donation requests from the American Capricorn Society now?

When the planet is bombarded with comets as part of the terra forming effort, a judicious selection of impact angles will easily speed the rotation to a nominal 24 hour rate

More like delusional in my experience