bbbiz; bbfree

Four Big Tech CEOs — Facebook’s Mark Zuckerberg, Amazon’s Jeff Bezos, Sundar Pichai of Google and Tim Cook of Apple — are set to answer for their companies’ practices before Congress as a House panel caps its yearlong investigation of market dominance in the industry. The four command corporations with gold-plated brands, millions or even billions of customers, and a combined value greater than the entire German economy. One of them is the world’s richest individual (Bezos); another is the fourth-ranked billionaire (Zuckerberg). Their industry has transformed society, linked people around the globe, mined and commercialized users’ personal data, and infuriated critics on both the left and right over speech. Critics question whether the companies, grown increasingly powerful after...