Monopoly watch: Big Tech’s tempting targets for trustbusters

Facebook logo on a phone
Facebook logo seen on a phone. Photo: Alexander Pohl/NurPhoto via Getty Images

"Tech’s Titans Tiptoe Toward Monopoly: Amazon, Facebook and Google may be repeating the history of steel, utility, rail and telegraph empires past — while Apple appears vulnerable," writes Wall Street Journal tech columnist Christopher Mims,(subscription).

The state of play: "Together, Google and Facebook take in 73% of U.S. digital advertising."