YouTube CEO Susan Wojcicki speaks on stage during the annual Google I/O developers conference in San Jose, California, U.S., May 17, 2017.Stephen Lam/ReutersYouTube CEO Susan Wojcicki.

Good morning! Here is the tech news you need to know this Wednesday.

Brittany Kaiser told politicians that the company used multiple quizzes and a 'sex compass' app to collect data.

The political research firm had planned to raise as much as $30 million through an initial coin offering.

Many experts pointed out there was no obvious way to opt out of facial recognition.

Three Illinois plaintiffs argue that facial recognition violates a state law protecting people's biometric data.

In a blog post addressed to creators, Wojcicki explained recent changes that had frustrated creators were necessary to boost advertiser trust.

Almost half its employees, including 7 top execs, have left, according to BuzzFeed.

According to the New York Times, the company has also been dialling back its political lobbying efforts.

The browser app is only 2MB and promises not to track users' browsing habits.

The venture capital firm won funding from the European Investment Fund, which insiders feared had frozen funding to the UK.

The company said it was working with law enforcement but hasn't indicated what the issue is.

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