While you wait for the signup post, you can read (or reread) 2014 Big Bang entries. Last year, participants produced 16 stories, for a total of 492,416 words of fiction, with accompanying art!
You can also check out the 2013 Big Bang entries (11 stories, 435,414 words), 2012 stories (19 stories, 678,220 words), the 2011 stories (16 stories, 585,646 words), and the 2010 stories (23 stories, 695,123 words)!
That means that in the past five years the participants in the Big Bang (that's you!) have written (and illustrated) 85 stories with a total wordcount of 2,886,819 words! Will we make it to 100 stories? Will we make it to three million words? If you sign up, you can make this happen!