When looking for new music, it’s easy to let a streaming service’s algorithm recommend songs similar to music you already like. Those types of algorithms are the focus of new book from NBC News tech correspondent Jacob Ward. In today’s show, Ward argues that those algorithms have us in a feedback loop that may dull our critical thinking.

Marketplace is for public good, not for profit. We count on you, our listeners, to help cover the cost of the tech and business reporting you rely on. We’re going to remain free and accessible to everyone. That’s part of our mission. But if you’re in a position to donate, we’re counting on you. You can use this link to donate now.