To Bruno, TOR could be useful but it is only for web surfing. If you are in China, using TOR may not be sufficient. --- To Mark and all, Internet protocol is open architecture. Security and encryption is an add-on. I personally believe it is better configuration. If we have "underground Internet" built in the architecture, I guess agencies such as CIA will have a bigger power in this area. (Exactly the future Professor Jonathan Zittrain tries to avoid in his book "The Future of Internet") Then it should be part of the Internet Infrastructure literacy education, something as simple as "Emails are postcards", "chat rooms are by default open", "msn will turn your chat record to Beijing if ...." etc. If one need protection, just download and use the encrypted chat softwares (preferably those with PGP standard) Some softwares could be found: http://www.infoanarchy.org/en/Encrypted_Chat_Clients --- To all, Do we need to compile a corresponding resources to the AoIR Ethics Guide? http://www.aoir.org/?q=taxonomy/term/73 Guidelines need the right tools and experience to avoid unintended harms. --- -- *Liao <http://zhongwen.com/cgi-bin/zipux2.cgi?b5=%E5%BB%96>,Han <http://zhongwen.com/cgi-bin/zipux2.cgi?b5=%E6%BC%A2>-Teng <http://zhongwen.com/cgi-bin/zipux2.cgi?b5=%E9%A8%B0>* DPhil student at the OII <http://people.oii.ox.ac.uk/hanteng/about/>(web) needs you <http://people.oii.ox.ac.uk/hanteng/>(blog)