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 obtain and market consumer details. Against this, the Signal app minimizes information collection and safeguards a user’s digital footprint. Its encryption protocol, often called the Signal Protocol, has long been adopted by main platforms which include WhatsApp and ... https://www-signal.com/