In the 90s their "in a nutshell" books were worth their weight in gold. But you are right that tech is different now. A nutshell book from back then would be go

In the 90s their "in a nutshell" books were worth their weight in gold. But you are right that tech is different now. A nutshell book from back then would be good for 5 or 10 years. Now the "shelf life" (haha) is a year at most before tech fashion moves on.