EU may need to regulate tech giants' data use: EU antitrust chief

BRUSSELS (Reuters) - The European Union may impose rules to ensure companies that collect data do not misuse it, Europe's antitrust chief said on Friday, signalling how she could use her expanded powers to rein in U.S. tech firms like Facebook and Google.The comments by Margrethe Vestager, appointed to serve another five years as European competition commissioner with new regulatory powers, suggests she may introduce rules to specifically cover tech companies and their use of data.Until now,..