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 popular messaging apps collect and market consumer knowledge. By contrast, the Signal app minimizes data selection and safeguards a person’s digital footprint. Its encryption protocol, often known as the Signal Protocol, has long been adopted by important platforms which include WhatsApp and Skype. Si... https://www-signal.com/