1. A method, comprising: receiving, by a computing device, a plurality of images associated with a first user of a social media network, each respective image having a timestamp; defining, by the computing device, a grouping of the plurality of images into a plurality of image clusters, wherein a first image cluster of the plurality of image clusters comprises (1) an initial image from the plurality of images and (2) one or more other images from the plurality of images having a timestamp within a predetermined amount of time of at least one of a timestamp associated with the initial image and a timestamp associated with one of the other images in the first image cluster; determining, by the computing device, based at least partially on a number of images in the first image cluster, a likelihood that the first user will share a first image in the first cluster; and responsive to determining the likelihood exceeds a predetermined threshold, outputting, by the computing device, for display, a prompt to the first user to share the first image on the social media network.