examples particularly a shoe where they had already the experience the previous Czar's experience and that has has sharpened their view on how to manage pandemics in general and also sharpen the view on how to make the best use of of technology so I think that you know what we saw in South Korea they had both and I think that Thomas was also mentioning it we speaking always of apps but there are so many different apps you know there are symptoms checking apps which are very broadly used in Korea symptom checking apps are very