Uber blocks employees at work from chatting on a popular anonymous app, the app's developer says

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Uber Travis Kalanick

Uber CEO Travis Kalanick  Flickr/FortuneLiveMedia

Uber insiders have made an avalanche of revelations about the company's allegedly dysfunctional culture in recent weeks, culminating with former engineer Susan Fowler's shocking tell-all of alleged sexual harassment.

Uber has publicly acknowledged Fowler's statements and vowed to investigate, although Uber investors, Mitch and Freada Kapor, are not satisfied with that. They worry that the insiders chosen to look into the matter represent "yet another example of Uber's continued unwillingness to be open, transparent, and direct."

Naturally, Uber employees want to talk about it all. Many do on an anonymous chat app called Blind. Uber has more than 11,000 employees worldwide with about 5,000 in San Francisco, its headquarters. And over 2,000 Uber employees in total use Blind, says Blind's head of operations Alex Shin.

But it appears that Uber is trying to block employees from using the app.

"Out of over the 100 tech companies active on Blind, Uber has been the only company to make attempts at blocking employee access to Blind. The app doesn't launch on Uber WiFi," says Shin.

Shin says this information came from Uber employees telling him about their inability to access the app at work. Uber did not respond to a request for comment on the matter.

In any case, the defensive measure doesn't seem to have stopped Uber employees from chatting. "Our activity at Uber has gone up 3x since they blocked us on their WiFi," Shin says.

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Julie Bort was Business Insider's Editor at Large for the Tech team. She loves investigating stories and shedding light on the tech industry's most amazing people.Here's a small sample of some of Julie's work.Former Pinterest employees describe a traumatic workplace where managers humiliate employees until they cry, Black people feel alienated, and the toxic culture 'eats away at your soul'Sex, tequila, and a tiger: Employees inside Adam Neumann's WeWork talk about the nonstop party to attain a $100 billion dream and the messy reality that tanked itInsiders say WeWork's IT is a patchwork of cheap devices and Band-Aid fixes that will take millions to fixWeWork's toxic phone booths were created in-house by its Powered by We business70-hour weeks and 'WTF' emails: 42 employees reveal the frenzy of working at Tesla under the 'cult' of Elon MuskElon Musk works so many hours at Tesla, employees are constantly finding him asleep under tables and desksHow this woman went from a Pizza Hut employee to a founder of a $4 billion startupAn Oracle insider explains how some salespeople gamed the system to sell more cloudTHE TAKEDOWN OF TRAVIS KALANICK: The untold story of Uber's infighting, backstabbing, and multimillion-dollar exit packagesMicrosoft is in talks to buy GitHub, a startup at the center of the software world last valued at $2 billionThe alarming inside story of a failed Google acquisition, and an employee who was hospitalizedInside Facebook's plan to eat another $350 billion IT marketHow a registered sex offender wound up living in an Airbnb hosting unsuspecting guestsA controversial ex-banker is the person who really runs Twitter — and he's gambling the company's future on one risky betSecret passages and skipped meals: Oracle's CEO gave us a rare peek at what it really takes to run a $37 billion companyHP told some employees to choose between becoming contractors with no benefits or being fired without severance'I felt like we were being extorted': Customer says Oracle tried to strong-arm him into a cloud saleHow the queen of Silicon Valley is helping Google go after Amazon's most profitable businessAirbnb host: A guest is squatting in my condo and I can't get him to leaveLIES, BOOZE, AND BILLIONS: How one of the fastest-growing startups in Silicon Valley history raised $580 million then spiraled out of controlGitHub is undergoing a full-blown overhaul as execs and employees depart — and we have the full inside storyWhen she's not writing for Business Insider, Julie can usually be found on the trails, on my mountain bike, or on my skis, if you know where to look.