This trends report from Posterscope discusses several emerging trends in out-of-home (OOH) advertising in 2012, including greater accountability and proof of performance metrics, contextually aware technologies to optimize messaging, and the expansion of digital OOH enabling more flexible and large-scale content. It also covers trends like near-field communication enabling OOH transactions, augmented reality expanding OOH boundaries, gaming engaging consumers in public venues, and hyperlocal promotions through localized social media.