Patent ID: 8762227

Claim:
A non-transitory computer-readable medium storing computer-executable instructions that, when executed by one or more computer systems, configure the one or more systems to perform operations comprising: receiving current pricing data associated with at least product items sold on a retail website; defining groups of the product items based at least in part on a distribution of the product items in accordance with current pricing data and implicit grouping of product items evident in the distribution; receiving a purchase history of a customer on the retail website and formulating merchandising presentations based at least in part on the purchase history, wherein a group defined based at least in part on the distribution is recommended for viewing by the customer when the customer is determined to prefer purchasing products belonging to the group based at least in part on the purchase history; and encoding for display at least one network page of the retail website having an option to view subsets of the product items corresponding to the groups of the product items defined based at least in part on the distribution of the product items.