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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Former officer who shot Breonna Taylor indicted on wanton endangerment

A memorial to Breonna Taylor in downtown Louisville, Kentucky on Sept. 23. Photo: Jeff Dean/AFP via Getty Images

A grand jury has indicted Brett Hankison, one of the Louisville police officers who entered Breonna Taylor's home in March and shot her at least eight times, on three counts of wanton endangerment.

The state of play: None of the three officers involved in the botched drug raid will face charges related to the actual death of Taylor, such as homicide or manslaughter. The two other officers, Jonathan Mattingly and Myles Cosgrove, were not charged at all. Hankison's bond was set at $15,000.

FDA chief vows agency will not accept political pressure on coronavirus vaccine

Food and Drug Administration Commissioner Stephen Hahn promised that "science will guide our decision" for a coronavirus vaccine at a Senate hearing on Wednesday.

Why it matters: More Americans are expressing doubt about a first-generation vaccine, despite President Trump's efforts to push an unrealistic timeline that conflicts with medical experts in his administration.

CEO confidence rises for the first time in over 2 years

Data: Business Roundtable; Chart: Naema Ahmed/Axios

A closely-watched CEO economic confidence index rose for the first time after declining for nine straight quarters, according to a survey of 150 chief executives of the biggest U.S. companies by trade group Business Roundtable.

Why it matters: The index, which still remains at a decade low, reflects corporate America's expectations for sales, hiring and spending — which plummeted amid uncertainty when the pandemic hit.

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