" With it, marketers see aggregate sales figures and estimates of how many they can attribute to Google ads -- but they don’t see a shoppers’ personal informati

" With it, marketers see aggregate sales figures and estimates of how many they can attribute to Google ads -- but they don’t see a shoppers’ personal information, how much they spend or what exactly they buy. The tests are only available for retailers, not the companies that make the items sold inside stores, the spokeswoman said. The service only applies to its search and shopping ads, she said."