Write for an international audience.
This is not the key point of a good question, but after fulfilling the main requirements, a question should be international.
Citing US television series, discussing laws of the USA, US-centric politics or naming locally-known celebrities is not very inviting for everybody else. At least, introduce them, explain in short words what it is about (Snopes) - and maybe link to online sources.
I don't know how well known the metric system is in the US. In the 70s, I heard it was internationally accepted standard, but it seems, it isn't.
