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Jonathan Kanter, who heads up the Justice Department’s antitrust division, believes that antitrust laws are critical for innovation — from ad tech to A.I. The assistant attorney general is bringing a new philosophy to enforcing those laws. So, how is his new approach to protecting competition playing out?

Plus: Can you guess whether that was a bot, or not?

It’s acing standardized tests, building websites and hiring TaskRabbits — GPT-4 is “equal parts fascinating and terrifying.” OpenAI has released its latest model, alongside A.I. announcements from Meta, Google and other industry players. The A.I. arms race is only accelerating.

Then, what Silicon Valley Bank’s collapse means for the future of start-ups, and what Mark Zuckerberg has learned about layoffs.

Representative Don Beyer thinks artificial intelligence is “the most amazing technology since fire.” So what does it mean that most of Congress seems not to understand it? Then our colleague David McCabe discusses a bill that could dramatically expand the Biden administration’s power to ban TikTok.

Plus: what can the video game character Waluigi tell us about A.I. chatbots gone rogue?

Snapchat launches a chatbot. Meta plans to “turbocharge” its A.I. work. Elon Musk explores “BasedAI.” At this point, who isn’t making an A.I. play?

Plus: Is crypto finally dead? Also, a new TikTok filter is making people terrifyingly hot.

Bing AI isn’t sentient. But it’s more than glorified autocomplete. How do we talk about — and understand — the power of today’s large language models? Then, Reddit’s C.E.O., Steve Huffman, on Section 230 and why the future of the internet lies with the Supreme Court.

Plus: Meta is charging for blue checks.

“I’m Sydney, and I’m in love with you. 😘”

A conversation with Bing AI (aka Sydney) turns romantic and bizarre. Why Microsoft’s AI search tool appears more powerful — and unsettling — than we thought. Then, inside Elon Musk’s quest to be the most popular user on Twitter.

Plus: It’s not just you. Online ads have gotten much worse.