YouTube has come a long way from Charlie biting his brother's finger. Now, billions of people watch its content and the platform has the power to influence, amuse, astound and, at times, horrify. For more on this topic, you definitely want to click this link: wamu.fm/2E2uaL6. | Want to support 1A? Give to your local public radio station at donate.npr.org/1A and subscribe to our podcast. Have questions? Email the show at 1a@wamu.org.