Relevancy information describing a relevance of a digital content item to a user is received. The relevancy information is used to determine whether to notify the user of the digital content item. If it is determined to notify the user, it is inferred from activities of the user a time when the user is favorably disposed to consume the digital content item. A message is sent to a client device used by the user at the time when the user is favorable disposed to consume the digital content item.