We have some things that were not predicted in the past. But for the most part, our world looks the same as it did 50 years ago. I know I'm being a stick in the mud. Remember the old TV series, Space: 1999? Compare that to what 1999 really looked like. 2001: a Space Odyssey had a Moon base, and a manned mission to Jupiter. Blade Runner had flying cars (and replicants) in 2019. Back to the Future (and sequels) had flying cars and floating skateboards in 2015, and a time machine in 1985. Science fiction authors have a tendency to be overly optimistic about how soon various technologies will be developed. Not to mention the problem of hypothetical technologies that may be impossible in this universe. Time travel is a fun idea, but may not be possible. The same goes with the idea of warping/folding space, as well as hyperspace which may not exist.
Ah - I think we must have different tastes in science fiction. I tend to read "hard" sci-fi that conforms to known laws of physics - or explores the social implications of extrapolation of current scientific trends. And I know practically nothing of the science fiction presented in movies.
The things I am talking about are the things that were written when computers still took up entire rooms and programs ran on punch-cards. Satellites, cell phones, personal digital assistants, smart homes, electric cars, "Voice Activated" anything, "wireless" battery charging, "heads up" displays, microwave ovens (in 1940s SF everyone was "flashing" their food - which came in pre-packaged trays with nutritional information that was recorded by household kitchen gadgets that kept track of what you ate and when your house was running low it would ask you if you wanted to re-order). When Heinlein wrote "Stranger in a Strange Land" the water-bed that the Man from Mars had in the hospital (to combat the effects of gravity higher than he was used to) hadn't been invented yet. (In the collection "Grumbles from the Grave" it talks about the guy who wanted to make them wrote to Heinlein and asked if he had put a patent on it!).
In medicine and science the possibilities abounded - cardiac telemetry, discussed in sci-fi in the 1940s, was invented to monitor our astronaut's physical well being 20 years later for the space program. Tissue prosthesis grown on animals. Genetically modified crops that didn't require pesticides and produced more food on less land. Artificial organs. Prosthesis for amputated limbs that actually moved and could respond to muscle and nerve electrical signals. (Prosthetics at the time being essentially more aesthetically pleasing "wooden legs" - with maybe a mechanical hinge if you wanted to be fancy about it.) Meat grown in vats (I had the opportunity to try the new
"Impossible Burger" - not bad!)
On the other hand there are conceivable technologies that (as far as I know) have not yet been addressed in science fiction. Like life extension. Huge can of worms, but I think it's all but inevitable (though I'll be dead long before it happens). Another interesting idea is genetic modification. Another can of worms, but almost certain to happen. I imagine a (far distant) future in which humans can have wings/gills.
Just some random thoughts.
Um. Extending human life and genetic modifications are fairly common themes in the science fiction that I read (and occasionally watch - the premise of "Dark Angel" was centered around genetically modified "super soldiers" - nothing can go wrong there!) also digital and augmented reality human modifications, etc. Modern authors build on the old master's ideas and take into account current technologies - Vernor Vinge, Neal Stephenson, William Gibson, Bruce Sterling to name a few.
In the 1980s - if you wanted to know if school was closed for a snow day you had to turn on the radio or TV and wait. Now - the parents get a text message from the school instantly. It doesn't seem like much but it is the availability of INFORMATION that is the turning point. A change that used to take a few decades to catch on, now takes a few years (if that), and it is only going to go faster and faster. We are at the beginning of a logarithmic curve that is just starting to take off!
Science Fiction written 10 years ago is already out of date with ideas that seemed fantastical and far in the future at the time. The gap between conception and realization gets narrower and narrower.