https://www.cnet.com/news/facebook-sheryl-sandberg-to-mit-grads-make-sure-tech-is-used-for-good/ > Sheryl Sandberg says technologists must make sure their tools have a positive impact on the world. > That message reverberated throughout the Facebook COO's commencement address at the Massachusetts Institute of Technology on Friday. It's a lesson that's been seared into the world's largest social network, which has been hit with scandal after scandal this year.  Facebook has been scrutinized for everything from its data collection practices to its role in the 2016 election.