Camera apps have become increasingly sophisticated. Users can elongate legs, remove pimples, add on animal ears and now, some can even create false videos that look very real. The technology used to create such digital content has quickly become accessible to the masses, and they are called “deepfakes.”

Andrew McAfee of MIT's Sloan School of Management talks about his book, More from Less, with EconTalk host Russ Roberts. McAfee argues that technology is helping developed nations use fewer resources in producing higher levels of economic output. The improvement is not just a reduction in energy per dollar of GDP but less energy in total as economic growth progresses. This "dematerialization" portends a future that was unimaginable to the economists and pundits of the past. McAfee discusses the potential for dealing with climate change in a dematerialized world, the non-material aspects of economic progress, and the political repercussions of the current distribution of economic progress.

"Tell us how you would spend $1,000 a month. Then if you win, you'll get the [contest] money and you'll get a whole lot of social media followers." —Andrew Yang, announcing his competition-based dry run for a guaranteed minimum income.

Even as they rush headlong into their unavoidable constitutional crash, President Trump and House Speaker Nancy Pelosi (D-Calif.) may yet agree on the procedures for the impeachment inquiry. Contrary to Trump’s claims, the Constitution does not require the House to be “fair” in its probe. But House leaders should still furnish the president with due process, because the Senate will not hold a serious trial that can reveal the truth.