I agree that your site does not make it clear to the user, as a web developer I know that sometime we are not the best at conveying what we do and just assume others will understand. By that same token I was willing to hand over my calendar access because also know that sometime you have to take a chance for a huge reward, the reward being an awesome service, I would love to try it out however every date on my calendar is gray and I have a lot of events on my calendar so I am a little confused at how to work it