Abstract: The subject technology discloses configurations for receiving an indication of user activity from a first user with respect to a post, wherein the post includes content shared by a second user, in response to receiving the indication, an activity post providing an indication of the user activity with respect to the post is created, the activity post including the content, and a set of users that the activity post is visible to are identified, the set of users comprising one or more users selected from users associated with the first user in a social graph, the activity post is provided for display to the set of users in response to the indication.

Abstract: The disclosure includes a system and method for providing determined content to users. The system includes a social network engine, an affinity module, an optimization module and a content determination module. The social network engine receives registration data from a first user. The affinity module determines one or more affinities between the first user and one or more second users. The optimization module optimizes a content type for the first user. The content determination module determines content of the optimized content type published by the one or more second users and combines the determined content to generate a post based on the one or more affinities. The content determination module provides the post to the first user.