psiphon3:
http://s3.amazonaws.com/0ubz-2q11-gi9y/en.html
ADBlock for Chrome:
https://chrome.google.com/webstore/detail/adblock/gighmmpiobklfepjocnamgkkbiglidom
搭建一个自由、干净的网络环境
原文：http://www.cnblogs.com/outs/p/6084788.html
