1. A database system comprising: at least one database storing a plurality of data objects; and at least one server having at least one processor operable to cause: processing a post received from a device associated with a first user of a social networking system implemented using the database system, the post configured to be shared in at least one feed of the social networking system and configured to be stored or identified using at least one of the data objects, the post having a state identified using at least one of the data objects, the state being either editable to permit editing of the post or non-editable to prevent editing of the post; applying at least a first criterion to content in relation to the post; determining that at least the first criterion is satisfied; and controlling, based on the determination that at least the first criterion is satisfied, the state of the post to be editable or non-editable.