Torrenting for downloading books on Science, Math or Philosophy. Bitcoin as pithekanthropus-free payment system. Buying and especially selling some second-han

Torrenting for downloading books on Science, Math or Philosophy. Bitcoin as pithekanthropus-free payment system. Buying and especially selling some second-hand items. Talking to foreign friends via video with totally zero cost. Upgrading my free and open-source software with no CD/DVD. Web2 forums and private text-only chats with strong cryptography. I don't recommend this to everybody, but listening to youtube all day long, the catch is in dealing with Algorythm to prevent bad recommendations. I don't recommend this to everybody, but reading political news without fakes was impossible in paper era, now it has simplified to just a very hard. That's a full list, every else use case of Internet by me is forced to me without any my appreciation.