https://www.reuters.com/article/us-eu-google-antitrust-vestager/eus-vestager-says-google-rivals-more-visible-after-changes-idUSKCN1R11BP >Europe's antitrust chief Margrethe Vestager gave a cautious welcome on Wednesday to Google's attempts to boost rivals and offer Android users a choice of browser and search apps in order to comply with her orders in two separate cases.