This document summarizes an eMarketer webinar on online holiday shopping trends for 2013. Key points include: - US digital holiday sales are expected to grow in the mid-teens to 20% range, outpacing overall retail growth. Mobile commerce continues boosting online sales to new highs. - In 2012, US holiday ecommerce sales reached $42.3 billion, up 14% from 2011, as mobile commerce increased significantly. - For 2013, trends include the continued blurring of online and in-store shopping, more mobile tools for shoppers and sales associates, expanded fulfillment and delivery options, and social media playing a smaller role in direct sales.