Abstract: Systems and methods are described for providing an electronic shopping system/service. A computer server for providing an electronic shopping service includes a purchase predictive data collector configured to collect purchase predictive data of a user, a product purchase interval predictor configured to predict a product purchase interval of a product for the user at least partially based on the purchase predictive data of the user, and a product recommender configured to recommend additional products to the user at least partially based on the purchase predictive data of the user and to provide data analytics and shopper marketing to retailers, wholesalers, or consumer packaged goods (CPG) companies.