果壳 guokr.com
http://e.weibo.com/1850988623/AtjfzwLtm?c=spr_qdhz_bd_baidusmt_weibo_s&ref=http%3A%2F%2Fpassport.weibo.com%2Fvisitor%2Fvisitor%3Fa%3Denter%26url%3Dhttp%253A%252F%252Fweibo.com%252F1850988623%252FAtjfzwLtm%253Fc%253Dspr_qdhz_bd_baidusmt_weibo_s%26gc%3Dget%2523c%2523spr_qdhz_bd_baidusmt_weibo_s%26_rand%3D1390448734.149
mooc 学院
http://mooc.guokr.com/opinion/437131/
知乎
http://www.zhihu.com/site/mascot/
猎云
http://www.lieyunwang.com/archives/category/pioneer
