Why Early Holiday Shopping on Mobile Might Hurt Black Friday Sales

Facebook data serves up red flags for bricks and mortar

Mobile shopping could already be cutting into bricks-and-mortar retailers' holiday sales, according to Facebook. The Menlo, Park, Calif.-based company's analysis is based on a combination of data points that it's releasing today—some of which center on consumers' intentions going into Black Friday and others that examine how they shopped last holidays season.