The Culture Suggestion Box button at the top-right of the platform allows users to send upward feedback (of any type) to the admin team.  This feature gives users a more comfortable way to send feedback by allowing them to mark their comments as anonymous.  The suggestion box is accessed by a user through a dropdown in the top-right of the platform:

Use the Review tab to review all user comments from the Culture Suggestion Box.  Mark each comment as "reviewed" by clicking the link that corresponds to each piece of feedback.