What motivates all unpaid volunteers at Pycon?

[seberino at spawar.navy.mil]

On Apr 1, 11:45 am, Ed Leafe <e... at leafe.com> wrote:
Assuming that people get nothing back by participating in a
> community, yes, it would be curious. My experience, though, is that I
> get a lot more out of it than I could ever contribute. IOW, it's a
> great example of synergy.

What do the people get back who did all the hard work at registration
desk and
preparing conference attendee bags? ...who did all hotel preparations?

Chris