Leading US retailers are this year expanding their Christmas sales drive by targeting smartphone users through the new generation of mobile devices such as the Apple iPhone, the Palm Pre and BlackBerry's Storm.
Retailers that have started selling online via smartphones this year include mass discounters Walmart and Kmart, lingerie retailer Victoria's Secret, home goods store Crate & Barrel, and youth clothing chains American Eagle and Urban Outfitters.
Others, including JC Penney, Target, Gap and Toys R Us have launched smartphone applications, or apps, that promote deals alongside services such as helping customers locate physical stores or check the availability of items.
您已閱讀37%（680字），剩余63%（1159字）包含更多重要信息，訂閱以繼續探索完整內容，并享受更多專屬服務。