Facebook--a startup less than 25 years ago-- has 2.3 billion users around the world. And it’s just one of very few Big Tech titans--whose massive data bases make them the Earth’s most valuable companies. Information is power, and Mark Zuckerberg now admits that their power has been abused. Can they be expected to limit themselves? Do the federal and state governments have the power to enact and enforce new rules? Should the Big Tech “monopolies” be broken up as Democratic candidates for president are now demanding?