Quick reminder that answers in this sub are expected to be in-depth and comprehensive, and that sources utilized reflect current academic understanding of the topic at hand.

Before contributing, please take the time to better familiarize yourself with the rules, as well as our expectations for an answer such as featured on Twitter or in the Sunday Digest.

If you just answer with a number because you think it's funny, note that you're not the first to do so even on this thread. Don't do it. Thread's only 6 hours old and it's already a tired joke.