Hello, my name is Steve Lohr. I cover technology and economics for The New York Times, and I’m this week’s tour guide through recent tech news.

One of the big stories of the year has been the Big Tech companies becoming targets of major antitrust investigations by the nation’s federal enforcement agencies, Congress and states. The concern is not only the companies’ market power but also how they handle personal data, spread disinformation and amplify partisan divisions.

To someone who has covered technology and antitrust for The Times for more than two decades, this period seems different than anything I’ve seen before. To me, it raises a question: Are we entering a new, progressive era in antitrust?

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