The document discusses the growth of tablets and mobile devices and their impact on consumer engagement and retail. It notes that tablets are growing much faster than PCs and by 2016 there will be over 126 million tablets used by US consumers. The document also discusses how mobile now accounts for over 40-60% of retail website traffic and how retailers need to optimize their sites for mobile experiences. It provides data on shopping behaviors from a mobile retail app and highlights how mobile apps are becoming an important channel for commerce.