Facebook inadvertently raised this issue of emotional manipulation and unintended consequences indirectly and in one context, by being secretive about its research and not giving people the chance to opt out beforehand. (Now, that would have been a smart choice!)
Facebook无意中间接提出了这个情绪操纵和出乎意料的后果的问题，因为他们对研究行为保密，没有给人们机会事先选择退出。（现在，这可能是个明智的选择！）