We've changed the way we get information, and that has changed our perceptions of the world. How have echo chambers formed through tech and what can you do to make sure you're not just getting the information that confirms your perspective?Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htmAnd to learn about your ad choices when listening to podcasts, visit https://www.howstuffworks.com/privacy.htm#ad-choices