https://www.reuters.com/article/eu-tech-rules-exclusive/exclusive-new-eu-rules-to-define-gatekeepers-by-users-areas-of-business-sources-idUSKBN28K2TM >Tech companies with millions of European users or active in at least two sectors will be classified as online gatekeepers subject to tough new EU rules aimed at curbing their power, three people familiar with the matter said on Thursday.