A bulleted list of stacked lines. Two angles facing left, which often indicate, "return to the beginning." Two angles facing right, which often indicate, "advance to the end." Uber will soon bar passengers with low ratings, the company announced this week. Some peoples compared the new plan to "Black Mirror" and China's social-credit system. Want to increase your rating? Here's how, according to more than two dozen drivers. Visit Business Insider's homepage for more stories.