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On Thursday afternoon, it was a quiet, average day at Google's sprawling headquarters in Mountain View, California.

That's because Google CEO Sundar Pichai canceled what was supposed to be the main event of the day: An all-hands town hall meeting scheduled for 4 p.m. to address the diversity controversy that has dogged company for the past week after some of the proposed questions were leaked online.

By the late afternoon and early evening, Googlers were filtering out, going to on-site aerobics classes, playing volleyball, or hanging out in the courtyard drinking wine and beer. It wasn't the tense, emotional atmosphere that was billed to accompany the meeting. But none of the Google workers approached by CNET would offer any comment.

James Martin/CNET

In a email sent to employees Thursday, Pichai cited the personal safety of Google employees as the reason for the cancellation. He said he had heard from several employees concerned about online harassment they would receive due to their names and questions being published by outside websites. For example, the conservative pundit Milo Yiannopoulos posted on his Facebook page the Twitter biographies of eight Googlers who had criticized the memo, Wired reported earlier.

"We had hoped to have a frank, open discussion today as we always do to bring us together and move forward," Pichai wrote in his memo. "But our Dory questions [those recommended by an app for attention] appeared externally this afternoon, and on some websites Googlers are now being named personally. Googlers are writing in, concerned about their safety and worried they may be 'outed' publicly for asking a question in the Town Hall."

Despite the cancellation of Thursday's meeting, Google intends to create another venue for employees to discuss the matter.

"We'll find a better way to help our employees connect and discuss these important issues further," a Google spokesperson said in a statement.

Pichai called the meeting in the wake of the firing of a Google engineer named James Damore, who wrote a 10-page manifesto titled "Google's Ideological Echo Chamber" that argued a gender gap at Google exists not because of sexism, but because of "biological" differences between men and women. The memo went viral after being posted on an internal network and sparked outrage from Google employees.

The controversy comes as Silicon Valley companies grapple with how to increase workforce diversity in an industry dominated by white men and permeated with corporate cultures that seem biased against women and female engineers. Google, Facebook, Microsoft and other tech companies now regularly release diversity reports, highlighting low percentages of women and minority employees, with few moving up the management chain.

Damore was fired by Google on Monday -- the same day Pichai told employees that the memo's author violated company rules by circulating the controversial memo. He said it's "not OK" for employees to feel that they can't "safely express their views (especially those with a minority viewpoint)."

Damore has said he believes his dismissal was illegal and that he would "likely be pursuing legal action." Before his firing, Damore said he submitted a complaint to the National Labor Relations Board charging Google's upper management with "misrepresenting and shaming me in order to silence my complaints."

The "alt-right" movement has come to the 28-year-old Damore's defense. One group set up a crowdfunding page for Damore that's raised more than $37,000.

The news of the cancellation was first reported by Recode.

Here's the full text of Pichai's memo:

Dear Googlers, TL;DR Sorry for the late notice but we are going to cancel today's Town Hall. We had hoped to have a frank, open discussion today as we always do to bring us together and move forward. But our Dory questions appeared externally this afternoon, and on some websites Googlers are now being named personally. Googlers are writing in, concerned about their safety and worried they may be "outed" publicly for asking a question in the Town Hall. In recognition of Googlers' concerns, we need to step back and create a better set of conditions for us to have the discussion. So in the coming days we will find several forums to gather and engage with Googlers, where people can feel comfortable to speak freely. We'll share details soon. Over the past two days, I have had the chance to meet with so many people here, and I have read each of your emails carefully. The vast majority of you are very supportive of our decision. A smaller percentage of you wish we would do more. And some are worried that you cannot speak out at work freely. All of your voices and opinions matter...and I want to hear them. In the meantime, let's not forget what unites us as a company-- our desire to build great products for everyone that make a big difference in their lives. I have been in a few product discussions today and felt energized by the important things we are working on. We can, and will continue, to come together to do the very best for the people we serve. Stay tuned.

First published Aug. 11, 4:10 p.m. PT.

Update, 4:30 p.m.: Adds Google comment, full text of memo.

Update, 8:27 p.m.: Adds details about the scene at Google's headquarters.

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