1. A method of facilitating access to data objects, comprising: automatically collecting information associated with use of data objects by a user, the collected information including a toggle count representing a number of times the user has activated an application in connection with a first data object before activating an application in connection with a second data object; analyzing the collected information to determine relevance evidence between pairs of data objects; storing the relevance evidence in a table indexed by identifiers associated with data object pairs; determining that the first data object has become of interest to the user; based on the stored relevance evidence, selecting the second data object associated with the first data object in accordance with the toggle count and a pre-determined rule; and providing an indication of the second data object to the user.