Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. Individual messages can be fully encrypted. But the user has to turn on that function. It's not automatic, as it is on Signal and WhatsApp. But the Ukraine Crisis Media Center's Tsekhanovska points out that communications are often down in zones most affected by the war, making this sort of cross-referencing a luxury many cannot afford. He adds: "Telegram has become my primary news source." For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content.
from hk