Which tech companies are really doing the most harm? Here are the 30 most dangerous, ranked by the people who know. In their words, “Maybe it was fake news, Russian trolls, and Cambridge Analytica. Or Travis Kalanick’s conniption in an Uber. Or the unmasking of Theranos. Or all those Twitter Nazis and racist Google results and conspiracy theories on YouTube.” Either way, it’s a quick way to feel depressed (and paranoid).

“Howard Kirby said the ottoman felt hard and when it was opened he found a box containing thousands of dollars in cash. Howard Kirby bought the couch and other furniture at the Habitat for Humanity ReStore in Owosso, about 90 miles northwest of Detroit, for $70.” And then he found $43,000. And returned it. What a guy.

“Everyone retires someday. It’s a fact of life—one that folks usually come to terms with in their mid- to late 60s. Unless, of course, you’re running for president. Or Clint Eastwood.” Or this guy.

Sam Harris is an American author, neuroscientist, philosopher, and podcast host. In Sam’s return to Armchair Expert, he discusses what it means to live an examined life. He touches on the concepts of being deliberate with one’s attention, consciousness as experience, and the value of meditation.