The "I Dare You" is a compilation of random challenges that you can do anywhere or time.
What is the purpose of "I Dare You"?
The EDV is more a joke, a push to break the routine one time or another. You do not need all the challenges here, but those that you run, make fun and without pressure.
Want to talk about the EDV or about pudding? My Twitter is http://twitter.com/jcrvlh. You can also send tips / suggestions challenges for email@example.com email.