Abstract: Upon receiving a request for an object of interest, a client device can automatically: (a) display the combination of a retailer, a payment account, any qualifying offers, and any qualifying rewards which can yield the lowest net price; and (b) execute a purchase of the object of interest using the selected payment account and redeeming the qualifying offers and/or rewards.

Abstract: Methods and systems to exchange and display data among a plurality of devices in response to one or more of user input and context-based information. User input may include one or more of motion, speech, text, pointing, and touch-selecting. Context-based information may include one or more of user location, which may be relative to one or more devices, background audio, information related to one or more products and/or services, and user-based context information. User context-based information may correspond one or more of prior transactions, prior activities, prior content exposure, and demographic information. Also disclosed herein are methods and systems to correlate user speech to one or more of commands and data objects, with respect to context-based information. Methods and systems to recognize speech may be implemented in combination with methods and systems to exchange and/or display of data among a plurality of devices, and in other environments.