Facebook defends itself against social media critics

(Reuters) — Facebook Inc on Friday struck back against scientific researchers and tech industry insiders who have criticized the world’s biggest social media network and its competitors for transforming how people behave and express emotion.
Facebook, in a corporate blog post, said that social media can be good for people’s well-being if they use the technology in a way that is active, such as messaging with friends, rather than passive, such as scrolling through a feed of othe