https://www.reuters.com/article/us-eu-google-antitrust/eus-vestager-to-brief-google-ceo-ahead-of-record-android-fine-source-idUSKBN1K724C >EU antitrust chief Margrethe Vestager will brief Google CEO Sundar Pichai by telephone later on Tuesday on her ruling on the company's Android mobile operating system, a person familiar with the matter said.