This document discusses mobile shopping trends during the holiday season. It finds that while the majority of holiday purchases still occur in stores, smartphone usage for shopping is increasing. It segments shoppers into five groups based on technology adoption - Innovators, Opinion Leaders, Early Majority, Late Majority, and Laggards. For each group, it lists which mobile technologies and services they commonly use for shopping. The document recommends that retailers aggregate product information across channels, optimize mobile search and location-based targeting, and empower store staff to connect the online and in-store shopping journey.