An estimated 135.8 million shoppers definitely will, or may, shop this big holiday-shopping weekend, according to a survey conducted by National Retail Federation. The shopping weekend, for purposes of the survey, is comprised of Thanksgiving, Black Friday, Small Business Saturday and/or Sunday, the organization says. (Click here to view the complete study). Last year, NRF’s Thanksgiving Weekend results survey found 133.7 million shoppers were in stores and online over the holiday weekend.