According to the source, Telegram has become the main means of communication for local users in an emergency due to the instability of the work of other resources.
The problem manifested itself in the martial law environment, which led to excessive traffic and network congestion. Therefore, residents of South Korea began to en masse advise each other to register on Telegram and create new chats with warnings about possible communication problems.
“Users’ anxiety increased due to the sudden declaration of martial law, which led to a sharp increase in the number of Telegram users. Using Telegram was expected to make it easier to communicate with family and friends in emergency situations,” the agency said.
Source: Ferra

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