If the product is free, then you are the product

现在互联网上就这个道理

Free vaccine

你，是说北美华人网？ 真勇士

对最近的脸书文件泄密感兴趣的，推荐大家去看看纪录片The Social Dilemma, The Great Hack.

免费的东西最贵！

this is totally BS. it is just a business model relying on advertising. cable should probably do the same thing too.

yes, every site is collecting your data, tracking your footage and monitoring your behavior including Huaren

there is no free lunch .