来尝试一种别样的通讯体验吧。Signal 不仅提供各种常见的功能，还尤为注重隐私安全。 Most widely used messaging applications accumulate and market consumer info. By contrast, the Signal app minimizes data assortment and safeguards a consumer’s electronic footprint. Its encryption protocol, known as the Signal Protocol, has long been adopted by big platforms for instance WhatsApp and Skype.... https://www-signal.com/