Why the explosive growth of e-commerce could mean more jobs

In this Aug. 3 photo, workers prepare to move products at an Amazon fulfillment center in Baltimore. While jobs have been lost in brick-and-mortar stores, many more have been gained from e-commerce and warehousing. Amazon accounts for much of the additional employment. (AP Photo/Patrick Semansky)

WASHINGTON — When the robots came to online retailer Boxed, dread came, too: The familiar fear that the machines would take over, leaving a trail of unemployed humans in their wake.