Unlike many basic presentation tools that lock control to a single user, Smoothboard Air supported multiple simultaneous connections. This allowed a teacher to hand control to a student, or multiple meeting participants to collaborate on a diagram at the same time. This feature turned passive viewing into active participation.
Participants can join a session by simply scanning a QR code projected on the main screen. Because it uses HTML5, no app installation is required on student or attendee devices; they can interact directly through their mobile or tablet browsers.
If you're interested in learning more about the concept and technology behind Smoothboard Air, I can provide some general information: