> many of Shannon’s colleagues found themselves working six days a week. Hmm. Was the 5 day work week common by 1940? I have a notion that we went from Sunday

> many of Shannon’s colleagues found themselves working six days a week. Hmm. Was the 5 day work week common by 1940? I have a notion that we went from Sunday off only, to Sunday plus Saturday afternoon, then Sunday plus Saturday off. Not sure when that happened, or where it started.