As part of the Invincible Super Blog's anniversary there is a contest to recap a comic book story in "30 seconds" using quickie crayon drawings and hopefully a dash of humor (many of the recaps take longer than 30 seconds but you can scan through them that quickly).
Not being one to do things small I thought back to a problem that every comic nerd faces every so often. Someone wants to know a bit of the ways DC comics have progressed ("What is this 'Pre-Crisis and Post-Crisis?'"). So I give you: