<%= raw t('notification.makefriend.'+ activity.receiver.subject.class.to_s.underscore, 
         :sender => truncate_name(activity.sender.name),
         :who => t('notification.who.'+ activity.receiver.subject.class.to_s.underscore,
                    :name => truncate_name(activity.receiver.name))) %>

<%= raw t('notification.look', 
          :sender => truncate_name(activity.sender.name)) %>: <%=polymorphic_url(activity.sender.subject)%>