People are becoming more and more wary of big tech companies mining your data to sell to advertisers–but it’s hard to find alternatives to services that tech titans have spent years streamlining.

去年有关美国国家安全局（NSA）的监视丑闻传出后，在位于瑞士的粒子物理实验室——欧洲核子研究中心（CERN）引起了轰动。博士研究生安迪·严（Andy Yen，音译）在Facebook群“Young at CERN”上发了这样一则消息：“我非常担忧隐私问题，并且想知道对此我能做些 ...