A sign is seen at the entrance to the Google retail store in the Chelsea neighborhood of New York City, U.S., June 17, 2021. REUTERS/Shannon Stapleton/File Photo
(Reuters) -Britain's competition regulator started a formal investigation on Friday into whether Amazon and Google may not have done enough to prevent or remove fake reviews.
Along with regulators in the United Sates and the European Union, the Competition and Markets Authority (CMA) has stepped up its scrutiny of big tech firms in recent years.
