Companies have been tapping into transaction data to sell us more things as early as the 1990s, when credit card giants such as American Express analyzed purcha

Companies have been tapping into transaction data to sell us more things as early as the 1990s, when credit card giants such as American Express analyzed purchases to tailor special offers to cardholders. Marketers with more limited vantage points, meanwhile, pooled the data from their own cash registers to get a better view of their customers.[0] [0] https://www.fastcompany.com/90490923/credit-card-companies-are-tracking-shoppers-like-never-before-inside-the-next-phase-of-surveillance-capitalism https://www.fastcompany.com/90490923/credit-card-companies-a...