First of all, sorry for spamming the forum, hope you don't get too much of this.
I'm doing a paper on the incentives and reasons why users use Bitcoins. It's 7 multiple choice questions, takes a minute to complete: https://docs.google.com/forms/d/1QUxwovU7dT5WMk_Gxy_tNG3dYdldOVS3KHVlBg3IgZ8 ...