Facebook like button something that’s just so simple about the ‘like’ button’ ... but giving people more ways of expressing more emotions would be powerful. We need to figure out the right way to do it so it ends up being a force for good, not a force for bad and demeaning the posts that people are putting out there." While suggesting the comment field for users who feel the like button isn't appropriate, he said that Facebook had "no plans" to introduce a dislike button. In a new Q&A in September 2015, Zuckerberg said that Facebook was working on an "empathy button",
Criticism of Facebook try to detect fake profile using automated means, in one such work machine learning techniques are used to detect fake users. In September 2008, Facebook permanently moved its users to what they termed the "New Facebook" or Facebook 3.0. This version contained several different features and a complete layout redesign. Between July and September, users had been given the option to use the new Facebook in place of the original design, or to return to the old design. Facebook's decision to migrate their users was met with some controversy in their community. Several groups started opposing the decision, some with