When in high school and college writing a paper that needed to be so many pages= always 2 at least! Normal day, now when writing just whatever= 1 because I'm lazy lol
Two. That's how I was taught. What is this one space nonsense?
Two is old school for monospaced fonts, aka typewriters!!! Modern fonts all compensate (and so do programs) and properly kern for spacing after a period for readability.
Examples: Without: ‘Here we see the hookers, Hitler and Kennedy.’ Reads as Hitler and Kennedy were hookers. With: 'Here we see the hookers, Hitler, and Kennedy.'
Or
Either way, apparently JFK is intimately connected to misunderstandings caused by lack of Oxford commas!