Professor Chad Wellmon at The Infernal Machine:

Sheryl Sandberg would have us believe that Facebook and Google are neutral tools that merely process and organize information into an accessible format. But Facebook and Google are also companies interested in making money. And their primary technologies, their algorithms, should not be extracted from the broader environment in which they were created and are constantly tweaked by particular human beings for particular ends. They are pervasive and shape who we are and who we want to become, both individually and socially. We need to understand how live alongside them.