(CNN)Here’s what you might have missed Friday from CNN Business:

Starlink lifts off: Elon Musk’s mission to create a constellation of satellites that can beam cheap broadband all over the planet launched on Thursday night. If it’s fully successful, Starlink will be the biggest step forward for any company attempting such a project. Why they flopped: Uber and Lyft both had highly-anticipated IPOs — and they both turned out to be duds. Why? One banker whose investment bank worked on the deals explains what went wrong. Chipotle’s back on top: Customers have clearly forgiven the health crisis that plagued Chipotle in 2015 and 2016. The chain’s stock has soared nearly 55% this year, making it the fourth-best performer in the S&P 500.New PM, old problems: Theresa May has stepped down as Britain’s prime minister, but that won’t stop the pound’s slide, writes CNN Business’ Julia Horowitz. That’s because no matter who is tasked with leading Britain out of Brexit, the underlying problems plaguing the nation haven’t changed. Read MoreFacebook’s crypto future: Multiple news outlets are reporting that Facebook is preparing to launch a cryptocurrency as part of its global push into payments. Facebook refused to comment, but did tell CNN Business that it’s exploring ways to make use of blockchain.Robot window washers: Washing skyscraper windows is a famously difficult and dangerous profession. One Israeli company is looking to change that: It hires ex-window cleaners who operate the robots from the ground below.

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