Thread:Shabook/@comment-24006177-20150921211657/@comment-24675861-20150921225526

The ambiguity rule is the next I grew up using. If the comma is necessary to keep a thought or an item individual, then I use it. However, I was raised that it was not a big deal in MODERN English, since so many do not use it. Conclusion (to me): It's not a big deal...