
It consists of many parts: Tor Browser, Tor Button, Tor launcher, HTTPS everywhere, NoScript, Onion Proxy and lots of other addons. The Tor Project offers us the one-stop solution - the Tor Browser, also known as the Tor Browser Bundle. It is a labor of love produced by an international community of people devoted to human rights. And the nodes in its network are all set up by volunteers. Nowadays, the Tor project has become a free and open-source software managed by the community. But if only the intelligence agency uses this particular method, their behavior will be too obvious, so they open it to the public. They named this method onion routing and it was used for protecting U.S. The idea of communicating through multiple randomly selected middle nodes in order to hide the sender’s identity was proposed by the United States Naval Research Laboratory in 1995. To be fully anonymous, sometimes is not only convenient but also necessary, especially in some particular regions or for some agencies.

Not only once, I heard my friends complaining about how their computers can see through them, knowing what is in their minds, or getting scam phones that the callers seem to know everything about them. Nowadays, online behavior tracking, supervising and censorship have been more and more annoying and sometimes even terrifying due to the booming of deep learning and big data.
