Letter Sealing encrypts the next contents from the chatroom: Text messages (except for messages despatched through other companies like CLOVA/YouTube/voice look for) Spot data 1:1 voice and movie calls ^ US public broadcasting company and charitable grants are generally supplied in consideration of underwriting spots which differ from business advertisements https://bdautogroup36802.jts-blog.com/34125220/an-unbiased-view-of-broadcast