The first thing that comes to my mind is gamification, where the players do the developer's paperwork for him
Relevant
xkcd comic:
Also, the Official Soundtrack should be the
Brazil Office Theme (Brazil is a great movie BTW, hope it will be inspiration for you)
About updates of your games, please YES! It's a long week for people who don't have time/experience to join into the Jam (
like me) and your updates can fuel the hype train!
Good Luck & Good Developing to all! Have fun!