Business marketing: Looking at a time capsule

In my decades-old pursuit of a hobby I have built a library of old magazines going back many years. The other day I had reason to look up something I remembered reading years ago. Trying to find that article was like looking at a time capsule as I thumbed through 25-year-old issues. Yes, things have changed. Prices, of course, are higher today. Technology that is common now was not yet available...