1 to say this lightbulb has already been changed and point to a question about lighthouses that is 5 years old 1 to say "how to change a lightbulb" is a matter

1 to say this lightbulb has already been changed and point to a question about lighthouses that is 5 years old 1 to say "how to change a lightbulb" is a matter of opinion and therefore not up to the standards of the list. 1 to say "I changed it" and not say how.