The ease in which we can create surveys, compare results from multiple sources for accuracy/reliability is excellent! We also love that it allows us access via mobile devices as well so no need to lug around paper or laptop versions when away at conferences etc (or even if you are just out & about).
It has been very easy adding our new staff members who have not previously used any online survey software - they simply learn how quickly this system works compared other systems I've tried before them!! Nothing really but would like more options available such polling questions within each individual page rather than having all pages open up together one after another once logged into jetpacks website- maybe an option? Also wish there was some way where users could be sent reminders regarding their questionnaires being due soon without needing admin approval first instead waiting until next day only then receiving email reminder request asking user "Are You Still Working On Your Questionnaire?".