Google\'s co-founders Larry Page and Sergey Brin will step down from their roles at parent company Alphabet. Sundar Pichai will take over as CEO.本周Sundar Pichai一1972年出生的印度裔寒门子弟“劈柴哥”，本周接掌谷歌的CEO,联合创始人Larry Page 和Sergey Brin退居二线。