And so right now, you probably have the tools to thwart many kinds of government surveillance already on your phones and already in your pockets, you just might not realize how strong and how secure those tools are, or how weak the other ways you've used to communicate really are.
现在，你的手机或是口袋里 可能已经有工具 能够阻止多种政府监控手段。 你可能还没意识到那些工具 有多强大、多安全， 或其他你以前用来 通讯的方法有多脆弱。