This document discusses the future of augmented reality and its potential for marketing. It notes that while AR apps were once only used by tech-savvy early adopters, there are now hundreds of AR apps across different operating systems. The document outlines the spectrum of AR applications from simple QR codes and webcam/3D experiences to more useful location-based and real-world applications. Examples are given of brands like Nike, BMW, and GM using AR to increase engagement. The document concludes that for AR to truly take off, applications need to provide real utility and usability while also respecting consumers' privacy.