US accuses Google of abusing monopoly in ad technology

The Justice Department and a group of eight states sued Google on Tuesday, accusing it of illegally abusing a monopoly over the technology that powers online advertising, in the agency's first antitrust lawsuit against a tech giant under President Biden and an escalation in legal pressure on one of the world's biggest internet companies.

The lawsuit said Google had corrupted legitimate competition in the ad tech industry by engaging in a systematic campaign to seize control of the wide swath of high-tech tools used by publishers, advertisers and brokers to facilitate digital advertising."

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