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Touch typing can be unlearnable, too. My first job-related computer experience was on an IBM AT using an in-house COBOL program that made extensive use of the F keys, which in those days were on a pad to the left (where God intended them, per Jerry Pournelle). After some time I found that I had shifted my hands to the left and was using my right hand for the right two thirds of the keyboard and left for the rest and the F keys. Now, years after last using that program and years after the F keys migrated to the top of the keyboard, I still type with that offset.
Effectiveness also depends on the lay of the land. A building I work in (in Wisconsin) has heated sidewalks for the front entrance, which is on a hillside slope. Under certain conditions of snow amount and temperature the heated area produces runoff which freezes into layers of ice which make the nice, clear sidewalk almost impossible to get to. Several times a winter they have to turn off the sidewalk and clear it the old-fashioned way.
You laugh but it could be true. In the early 70s I lived in Asmara, Ethiopia (now Eritria). Our place was on the edge of town and we often saw camel trains plodding in from the hills headed for the marketplace. The lead camel usually had a blaring transistor radio around its neck. I always wondered if the lead camel driver had a radio because he was the leader or if he was the leader because he had a radio.
The generational factor is a good point, but I think there may be more to it. For the record I'm fifty-something and grew up in a newspaper-reading household. "The paper" was always around, even if we were on vacation and the paper had been bought from a rack.
When I left home I always subscribed, whever I was, or at least bought one regularily.
A few years ago though, I let my subscription lapse after a delivery dispute and have never gotten back in the habit. I buy a Sunday paper maybe once or twice a month. And I read it for days. I honestly can't figure out how I used to get through a newspaper every day.
Heh, heh. I thought about that as I typed it. But it popped into my mind as an example because in addition to the 20+ I use fairly regularily (well beyond my brain's max) I just completed a project where I set up about a dozen users and had to distribute names, sign-on names and passwords (by different methods of delivery, of course.)
My notes and lists are always printed, and always all caps -- printing proper case I just find too slow. In fact I never use lower case printing except when case itself is important, eg a password. When speed counts, eg trying to keep up with a train of thought, I always use cursive, some of it occasionally legible. Even in longer cursive notes I always revert to printing when spelling is critical: a URL, file name, variable, etc.
When I was a senior in high school, having observed how graduation and other end-of-year celebrations worked, I started jockeying for fourth or fifth (I forget) in class rank. This was the highest place that didn't involve having to make a speech.