EU's Google ad tech probe part of bloc's antitrust crackdown

FILE - In this Sept. 24, 2019, file photo a sign is shown on a Google building at their campus in Mountain View, Calif. The European Court of Auditors, which has examined the EU's enforcement of competition rules over the past decade, says antitrust investigations have taken too long, dulling their effectiveness. European Union regulators have launched a fresh antitrust investigation of Google, this time over whether the U.S. tech giant is stifling competition in digital advertising technology. (AP Photo/Jeff Chiu, File)