The document discusses the top 5 trends in mobile advertising for 2013. It begins with an overview of the current state of the mobile advertising market, noting that while consumer attention on mobile is high, advertising spend still lags behind at just over 1% of total ad spending. However, mobile ad spending is growing rapidly and predicted to increase fivefold by 2017. The time consumers spend on mobile apps now exceeds time spent on desktop websites and is approaching TV viewing levels.