Part 1: It's Google's 25th birthday - but what lies ahead for Big Tech?

Our two-part weekend series digs into three factors that will shape the future of Big Tech: innovation, pushback from regulators and the immigration policy that affects the talent race.  Visit the Thomson Reuters Privacy Statement for information on our privacy and data protection practices. You may also visit megaphone.fm/adchoices to opt out of targeted advertising. Learn more about your ad choices. Visit megaphone.fm/adchoices