On Black Friday, more U.S. shoppers chose the computer over the mall

NEW YORK (Reuters) - The Thanksgiving Day and Black Friday kickoff of the U.S. holiday shopping season showed the increasing preference for online purchases, as more Americans opted to stay home and use their smartphones while sales and traffic at brick-and-mortar stores declined.The ongoing shift to online shopping has forced retailers across the country to invest heavily in boosting their e-commerce businesses, and also highlights the impact of early holiday promotions and year-round deals on..