Could AI chatbots undo the harms of social media. The past 15 years have been characterized by waves of populism, polarization, and eroding trust in experts. Many factors are at play, but one is the dramatic change in our information environment brought about by social media.Every media revolution transforms who shares information and what form it takes. Some technologies are fundamentally democratizing and polarizing, widening the pool of publishers and views beyond a narrow elite and amplifying radical an ...