i did read it/ I'm just curios as to why a medium that is not available or convieniant to everyone was chosen for the experiement.
Because it was an experiment of the feature of the app, not anything else. It wasn't a choice between a survey in the app vs. a printed survey vs. a web survey, or some other format. Rather, the survey was one of 10 or 20 features of the app that was offered to us, and we chose to try it. The only reason we're advertising it is due to a mistake, it didn't appear in the app in time for people to see it during the con.
The survey is mostly multiple-choice questions. If you have something specific to post in a forum thread, believe me, that carries more weight than just one survey response, so you're not at any disadvantage in the weight of your opinion. We know when reviewing the responses that it just represents smartphone users, and not all attendees, but it's one data source among many for us to review.