As the power of Silicon Valley's tech companies has grown, so too has the number of people willing to air their dirty laundry.Facebook is the latest in the line of fire after whistleblower Francis Haugen's congressional testimony in early October.Apple is also reeling from an internal crisis. One of the organizers of the #AppleToo movement was fired last week. But even though these organizations seem to be on the back foot, blowing the whistle is complicated and risky. What does it take to be a whistleblower? And is it enough to actually implement change in Silicon Valley?Want to support 1A? Give to your local public radio station and subscribe to this podcast. Have questions? Find us on Twitter @1A.