This undated screenshot of Macy's online shopping website made available to the Associated Press shows how social media is integrated into their online store. Whether shoppers know it

 

              This undated screenshot  of Macy
This undated screenshot of Macy's online shopping website made available to the Associated Press shows how social media is integrated into their online store. Whether shoppers know it or not, their actions online help dictate what's in stores during this holiday season. (AP Photo/Macy's)