1. A system comprising: a hardware processor; an inventory module including multiple instructions that, when executed by the hardware processor: receive an image of a marker that identifies a particular field of vision for a user located proximal to the marker; and identify the particular field of vision by processing the image of the marker; a search module including multiple instructions that, when executed by the hardware processor, identify-one or more products that are in the particular field of vision, at least one of the one or more products corresponding to an incentive; a location module including multiple instructions that, when executed by the hardware processor, generate a pictorial representation of the particular field of vision, the pictorial representation including a product image for each of the one or more products corresponding to the incentive, each product image being positioned within the pictorial representation based on a position of the corresponding product in the particular field of vision; a mapping module including multiple instructions that, when executed by the hardware processor, modify the product image for at least one of the one or more products corresponding to the incentive by causing the product image to display: a first icon representing the incentive; and a second icon indicating that a second user associated with the user has previously purchased or favorited the product associated with the modified product image; and a display module including multiple instructions that, when executed by the hardware processor: generate a user interface for display at a client device, the user interface configured to display the pictorial representation with the modified product image; and display, responsive to receiving a selection of the second icon, a second user interface including additional information about the second user associated with the user having previously purchased or favorited the product associated with the modified product image.