Updated from 10:34 a.m. with additional information. 

Silicon Valley has once again found itself ensnared in a conflict over preserving free speech versus stamping out hateful content. 

This weekend's violent protests in Charlottesville, Va. have reignited calls for some tech giants to take a harder stance against extremist content, including Facebook Inc. (FB) , Alphabet's (GOOGL) Google and Twitter (TWTR) . And while doing so would appease some people, it also threatens to anger those who believe it's outside of Facebook or Twitter's purview to police content on their platforms.

Google, Facebook, Reddit and GoDaddy Inc. (GDDY) had all taken action to curb content related to or promoting Neo-Nazi and white nationalist websites. And on Wednesday, Twitter appeared to have joined them, according to Recode.   

Google on Monday said it was canceling the domain registration for The Daily Stormer, a Neo-Nazi news and commentary website, saying it violated the company's terms of service, according to a Google spokesperson. The spokesperson added that there were specific concerns about Daily Stormer's services inciting violence, but didn't elaborate further on what exact content violated the policy. Google canceled Daily Stormer's domain registration within four hours of the site's application, Business Insider reported.

Daily Stormer moved to register its domain with Google after GoDaddy banned the site, giving it 24 hours to find a new host. GoDaddy decided to ban Daily Stormer in response to a disparaging article published on the site about Heather Hyer, who was killed during the Charlottesville protests this weekend. Hyer, 32, was struck and killed when a car plowed into a crowd of counter protesters, which also left 19 people injured. 

The hosting site was the first tech firm to boot the Neo-Nazi website, a decision that GoDaddy made because Daily Stormer had "crossed the line," according to CEO Blake Irving. 

"We always have to ride the fence on making sure we are protecting a free and open internet," Irving told CNBC on Tuesday. "But when the line gets crossed and that speech starts to incite violence, then we have a responsibility to take that down." 

Daily Stormer has since registered its website on a Tor client, which is an anonymous web browsing service, also referred to as the dark web. Running on a Tor client means that Daily Stormer won't have to rely on a domain registrar to host its website.

Reddit late Tuesday banned a forum calling for the "physical removal" of Democrats from society, saying that its users were posting content that incites violence, according to The Daily Beast. Over the weekend, the forum pinned a post to the top of its conversation thread that said the Charlottesville attacks were "ethical" and a "morally justified action." 

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