Yes, computers were certainly an improvement over typewriters.
By 'tablets' I guess you mean mints?
No doubt that the availability of information has been an incredible jump.
Someone once said that knowledge was not power, power is what you do
with the information. From that have come discussions asking "then what?" in the sense of a fine line between saturation and actual application.
"Sometime you understand what they do and how and sometimes you don't."
Do yo mean technically or socially?
Yes, there has been development on many levels.
How do computers cause pain?