Aarti Shahani

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Facebook says 126 million people may have seen Russian content aimed at influencing Americans. Lawmakers on Capitol Hill want to weed out Russian operatives and extremist propaganda from Facebook.

But savvy marketers — people who've used Facebook's advertising platform since its inception — say that social media giant will find it hard to banish nefarious actors because its technology is designed to be wide open and simple to use.

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I want to go very quickly now to Aarti Shahani, NPR's tech reporter. Aarti, why is this story involving Barry Lynn hitting such a nerve?

Uber is a mess — the "bad boy" ethos shattered, a nervous breakdown in its place. This week, the CEO announced he is taking a sudden leave of absence. A former U.S. attorney general released a brutal audit of the startup's culture. It's a terrifying moment for many investors who want that $70 billion unicorn to make them rich or richer — not implode.

While Uber says you can "be your own boss" — that's their viral tagline — hundreds of drivers tell NPR it's not true. They say Uber feels more like a faceless boss — setting strict rules and punishments, but eerily hard to reach, even in emergencies.

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