Any idea what setting the mood refers to in the new Hangouts? Something coming up or already live?

<string name="menu_mood_item">Set mood…</string>
<string name="menu_change_mood_item">Change mood</string>
<string name="mood_setting_activity_label">Set your mood</string>
<string name="clear_mood_menu_item_text">Reset mood</string>

cc +Ron Amadeo
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