With the initial idea, which was to put in all the information that was on paper to these apps, to cut costs on printing, reducing tree cutting, and helping attendees receive all the important information about the conference in the most convenient manner; the use of apps have already become a lot more than that in the past couple of years.
The initial concept of the mobile applications was, all the information that was on the papers was transferred to the applications, and implemented in a way that information could be conveyed to participants.