Now we have hi-tech stuffs like umplika speakers and lightsabers. Lightsabers are 436,000 dollars to operate at 50 degrees farenhieght every day, and Umpaloomas are crazy like you and me.
What i think is that the differences of computers back then is that they were much smaller and don't have all the keys we have now. Also we did not have lots of websites and things that would be...
Computers before had the same knowledge of present day calculators (or less) and were often the size of a large room. Now computers are smaller, easier to use, hold more memory, can do more advanced...
They all have chips that transmit your exact location.
They are all monitored by the government, via your phone service provider. (to keep you "safe") lol