My Most Helpful Passive Piece Of Equipment: An Old-Fashioned Watch Wrist Band Calendar.

I know this piece of equipment since 51 years ago, when I was age 3.

Everybody had it when I grew up. This was in a very technical environment: my father ran a bicycle and lawn-mower retail, maintenance, and repair business in Upper Bavaria. We had all the latest gadgets.

Today, I am still using a watch wrist band calendar. And I use this calendar more often than I am looking up the time on my watch.

Continue reading here.