A wake up call for Amazon, Google, Apple and Facebook. A new agreement between U-S regulators is calling the dominance of these tech giants into question. According to reports from The Wall Street Journal and The Washington Post, the Federal Trade Commission, announced it will lead an antitrust investigation into Facebook as well as place a closer watch on Amazon. Google is not off the hook either. The Justice Department is set to have more jurisdiction over the search engine. Apple is also a part of the talks. We spoke to Cat Zakrzewski, technology policy reporter at the Washington Post, about the antitrust news of the day.