For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. Some privacy experts say Telegram is not secure enough Although some channels have been removed, the curation process is considered opaque and insufficient by analysts. Telegram, which does little policing of its content, has also became a hub for Russian propaganda and misinformation. Many pro-Kremlin channels have become popular, alongside accounts of journalists and other independent observers.
from cn