Uber filed to go public this week. No big surprise there; everyone in the industry has been waiting months for the ride-hailing giant to hit the accelerator on its IPO. What did raise an eyebrow were the details the company divulged in its filing—from how it views the future of its business to what it considers its primary challenges in the marketplace.

This week, we invite WIRED transportation reporter Aarian Marshall back onto the show to break down all of the revelations in Uber’s S1 filing. You can read her news story about the upcoming Uber IPO right here on WIRED.

Also on this week’s pod, Mike, Lauren, and Arielle discuss the first photo of a black hole, the latest privacy concerns around Alexa devices, and some upcoming changes to Facebook’s News Feed.

Show notes:

Read Aarian on Uber. Read Lily Hay Newman on Alexa, Sophia Chen on the black hole pic, and Emily Dreyfuss and Issie Lapowsky on Facebook. Recommendations this week are Jumbo Privacy Assistant, 1bike1world, and the Criterion Channel. Send the Gadget Lab hosts feedback on their personal Twitter feeds. Arielle Pardes can be found at @pardesoteric. Lauren Goode is @laurengoode. Michael Calore can be found at @snackfight. Our guest Aarian Marshall is @aarianmarshall. Bling the main hotline at @GadgetLab. Our theme song is by Solar Keys.

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