Neil Gaiman’s had a great BlackBerry Keep Moving project reaching out to fans to help create his new Calendar of Tales book. He had users submitting content and collaborating to create something great and it is finally here. The coolest part in my opinion is that there is both an interactive web version that has some extras that did not make it into the book along with a PDF version you can download.
Check out the online version here and the PDF version can be downloaded here