'Rabbit Hole,' Episode 3: Mirror Image

<p><em>Note: This episode contains strong language. </em></p><p>Today, we’re sharing Episode 3 of “Rabbit Hole,” a New York Times audio series with the tech columnist Kevin Roose.</p><p>In this episode, our reporter continues to trace the journey of a young man named Caleb. Five years into a rabbit hole on YouTube, Caleb discovers a parallel universe.</p><p>If you're tuning in to "Rabbit Hole" for the first time, start with the prologue. For more information on today’s episode, visit <a href="http://nytimes.com/rabbithole" target="_blank">nytimes.com/rabbithole</a>.</p>