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Sean Parker, the founder of Napster and former president of Facebook, said the thought process behind building the social media giant was: "How do we consume as much of your time and conscious attention as possible?" Parker was interviewed by Axios' Mike Allen Wednesday:

"That means that we needed to sort of give you a little dopamine hit every once in a while because someone liked or commented on a photo or a post or whatever ... It's a social validation feedback loop ... You're exploiting a vulnerability in human psychology ... [The inventors] understood this, consciously, and we did it anyway."

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Go deeper

U.S. economy grew at a 6.5% rate last quarter, missing expectations

Contractors work on a home under construction. (Photo: Micah Green/Bloomberg via Getty Images)

The U.S. economy grew at an annualized 6.5% rate last quarter, the government said Thursday.

Why it matters: It's a slower pace of growth than the 8.4% that forecasters expected, with the economy reopening, vaccines rolling out and government aid rolling in. But the economy has officially recovered from its pandemic-induced plunge.

Updated 2 hours ago - Sports

Olympics dashboard

Team USA's Simone Biles during the women's team final on day four of the Tokyo 2020 Olympic Games at Ariake Gymnastics Centre on Tuesday in Japan. Photo: Fred Lee/Getty Images

🤸🏾‍♀️: Simone Biles reacts to "love and support" after withdrawing from all-around gymnastics and team finals, citing her mental health

🏃: U.S. pole vaulter Sam Kendricks withdraws from Games after positive coronavirus test

🏊‍♂️: Caeleb Dressel wins gold in men's 100m freestyle —Bobby Finke wins gold in first men's Olympic 800m freestyle

📷: In photos: Tokyo Olympics day 6 highlights

🗓: The Olympic events to watch today

💵: Olympic athletes see more sponsorship opportunities

🏃‍: Female Olympians push back against double standard in uniforms

Go deeper: Full Axios coverage - Medal tracker

Felix Salmon, author of Capital
2 hours ago - Economy & Business

Giant earnings growth for the world's largest companies

Illustration: Aïda Amer/Axios

Never in the history of capitalism have the world's biggest companies grown as fast as the tech giants in recent years.

Why it matters: A series of stunning earnings reports this week — with another one likely to arrive Thursday afternoon, from Amazon — has underscored the astonishing growth among a group of companies that were already some of the most profitable of all time.