* Who owned Kirk's glasses before Kirk was gifted them?
The frames? Good question. By the 23rd century, the Retinox series of drug was able to treat vision issues that replaced the need for glasses and somebody really dug having that style of gramps frames, which remind me that I need to clean mine, but I digress... The frames were antique, but - yeah - who created precision-fitting lenses and aren't they a bit of an encumbrance? Kirk's allergic to this medication, so what else is he using off-hours? Okay, we don't see that either... it's minutiae, but when your eyeglasses specialist you have no desire to date looks at your current set and scoffs how a 20-year-old frame looks grossly out of date, something 400 years old is bound to be even more awkward.
Granted, if it's true that something like 4~7 billion people will be myopic by 2050...
What Did Nearsighted Humans Do Before Glasses? : Shots - Health News : NPR
(So plenty of old frames will be hanging around by the time 2280 comes around, that's for sure. Also, get a load of some of the timeless designs of those specs, too...)
* Did Spock ever get to swim with the whales again?
Every 5 years he goes back to Earth to mind meld to see how all 47 calves are doing and if they're all inbreeding to keep raising numbers, and listening to them deny it the moment he starts to drone on and on about the ramifications of
inbreeding depression.
* What must Scotty have thought when someone took him aside and explained what a computer mouse was for?
Bemusement, possibly. And if they bought the Amiga computer instead, or even if Commodore opted to loan it out, they could have had a better product placement that had interactive graphics working in real time, instead of the premade slideshow video. No worries,
Commodore didn't want to be associated with the Trek film (which also became the highest-grossing and for a very long time and the 16/32-bit home computer revolution was only starting to take off... oh well, at least the Amiga architecture sold like hotcakes in Europe. )