The document discusses elements that contribute to a successful mobile experience at events. It groups these elements into categories based on their ability to inform, persuade and engage audiences. These elements include things like messaging, networking, maps, games, photos, polls, push notifications, pre-show emails, on-site support, word of mouth, badges, activity feeds, social media, ratings and reviews, speaker information, and on-site activities. The document recommends using as many of these elements as possible in an event app to create positive reactions and ensure the app is a valuable investment.