WHAT DOES SIGNAL下载 MEAN?

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。Signal isn't owned by a giant tech organization. Rather, Signal is made by a non-gain foundation which is funded by donations. As opposed to Fb, Signal's owners usually are not even wanting to make money. Signal won't attempt to collec