1. A method comprising: storing a plurality of bookmarks associated with a user of a social networking system, each bookmark comprising a link to an object in the social networking system; receiving data representing interactions by the user with a plurality of objects in the social networking system to which one or more bookmarks link; predicting a click-through rate for each of the plurality of bookmarks based on the received data, each predicted click-through rate representing a probability that the user will access a bookmark when the bookmark is presented to the user; selecting one or more of the bookmarks based at least in part on the predicted click-through rates; generating an ordered list of the selected bookmarks based at least in part on the predicted click-through rates; and sending the ordered list of bookmarks for presentation to the user.