Provided is a computer implemented process for reminding users of offers that were discovered by the user at one location when, at a later time, the user is at another location, the process including: displaying, with a mobile device, an offer and a reminder interface to indicate that the user requests themselves or another reminder recipient to be reminded of the offer when near another computing device of the reminder recipient; receiving an interaction with the reminder interface by the user and, in response, storing a reminder request in memory, the reminder request identifying the offer; obtaining data identifying the other computing device, a geographic area of the other computing device, or a wireless environment of the other computing device; detecting, with a processor of the mobile device, that the reminder recipient has interacted with the other computing device, entered the geographic area, or entered the wireless environment; and in response to the detection, presenting a notification reminding the reminder recipient of the offer.