If you bought anything online recently, there's a good chance you shopped on Amazon. The tech giant's success has made it synonymous with e-commerce. But it's also long faced scrutiny over its business practices. Now, Amazon is facing a lawsuit from the U.S. Federal Trade Commission, accusing it of illegally protecting a monopoly over online retail. The company denies the allegations. Wall Street Journal reporter Dana Mattioli has been covering Amazon for years. Piya Chattopadhyay speaks with her about how Amazon became the behemoth it is today, as explored in her book The Everything War: Amazon's Ruthless Quest to Own Everything and Remake Corporate Power.