How to Communicate Offline — No Wi-Fi, Cell Reception, or Mobile Data Needed

Almost 20% of the US population (about 60 million Americans) live in rural areas where mobile reception is weak or nonexistent. In times of crisis, these Americans can't rely on the internet to communicate with loved ones or receive new information. This is why being able to interact offline is so important. Even if you live in a more urban area, networks get congested or go down. A simple protest can cripple a system if thousands of people, each with a phone, are crowding a single area. In those situations, you need a way to send messages that doesn't rely on Wi-Fi or mobile networks. Step... more
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