Are serial commas necessary?

Related questions

1. When listing three things do you use a comma?
2. Is there a comma before or?
3. Do you put a comma before and in a sentence?
4. Is there an Oxford comma in Spanish?
5. Do you use an Oxford comma with or?
6. Does the comma go before or after so?
7. How do you punctuate a list of items?
8. How do you punctuate lists?
9. Do you use a comma to separate items in a series?
10. What is the rule for commas in a series?

Tags

1. #serial
2. #necessary
3. #modern
4. #writing
5. #quite
6. #comma
7. #guidebooks
8. #american
9. #acceptable
10. #chicago
11. #grammar
12. #usage
13. #manual
14. #simple
15. #style
16. #always
17. #choice
18. #commas
19. #garner
20. #should
21. #reason
22. #before