When we talk about the power tech has, we have to think about the way it has influenced almost every facet of our lives - your emotional life, your social life, the political landscape - all of it. When you look at how big that is, and how much every industry you can imagine is being changed by technology, you have to start saying 'when something is this powerful, it deserves a lot of scrutiny.' What it got instead was years of being treated like a golden child.

Writer Sara Wachter-Boettcher explains how racial and sexual bias finds its way from society into digital products (and back into society) as a result of the tech industry's unwillingness to examine its own values, and they way their work engages with and shapes society beyond the mostly white, male corporate campuses of Silicon Valley.

Sara is author of Technically Wrong: Sexist Apps, Biased Algorithms, and Other Threats of Toxic Tech from W.W. Norton.