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As I read your comment, I solemnly felt that you were sharing an ancient incantation of great power- or upon a google search, a fantastic opportunity! I had no idea that such an influential and dynamic contest existed, how cool is the community mentoring aspect?! I think I will sign up :) Thank you for your comment @lennstar!

Just sign up already! :D

There are also pre and after activities (but I can't tell much about them since that isn't my style). The German liasons for example have asked character developing questions (like the last: tell the backstory of an supporting character) and more on twitter and do word sprints in November.

This is the text of the last email from NaNo:

Are you ready to unleash your creative superpowers? If you're on the fence about returning to write a novel this November, hop off it!

With pep talks from authors including Roxane Gay, Julie Murphy, and Kevin Kwan; even more stats to help you see your progress as a writer; and 570 active regions running write-ins and other events, this is your year: writers, assemble!
Extend your streak: announce your 2017 NaNo-novel.

And yes, it is an ancient incantation, developed by the priests of the goddess Athene.