Twitter is giving itself the facility to withhold content in specific countries, while keeping that content available for the rest of the world, the company has announced.

Until now, the only way for Twitter to censor content was to universally eliminate it from the site. This change means content deemed inappropriate by a specific government can be withheld locally, explains a blog post called The Tweets Still Must Flow.

When we receive a request from an authorized entity, we will act in accordance with appropriate laws and our terms of service, a Twitter rep told Mashable.

If and when content is withheld, affected users will be notified of either an account or tweet's censorship. Twitter will make that decision public on Chilling Effects, through an expanded partnership that charts Cease and Desist Notices.

Update: Twitter Boycott

28th January 2012. See article from mashable.com

Twitter's new approach to censoring tweets has users rallying around the hashtag #TwitterBlackout, a call to boycott the microblogging service.

The change lets Twitter withhold content on a country-by-country basis, when a government deems the tweets inappropriate. Rather than wholly removing the content from the site, it will now only be blocked locally.

Many users have expressed dissatisfaction with the change. Tweets have been streaming in, in various languages, all with the #TwitterBlackout hashtag.

Anonymous has also supported the blackout. One of its tweets read:

SPREAD THE WORD #TwitterBlackout I will not tweet for the whole of January 28th due to the new twitter censor rule #Twitter #J28?

Offsite: What Does Twitter's Country-by-Country Takedown System Mean for Freedom of Expression?

28th January 2012. See article from advocacy.globalvoicesonline.org by Eva galperin

So what should Twitter users do? Keep Twitter honest. First, pay attention to the notices that Twitter sends and to the archive being created on Chilling Effects. If Twitter starts honoring court orders from India to take down tweets that are offensive to the Hindu gods, or tweets that criticize the king in Thailand, we want to know immediately. Furthermore, transparency projects such as Chilling Effects allow activists to track censorship all over the world, which is the first step to putting pressure on countries to stand up for freedom of expression and put a stop to government censorship.

What else? Circumvent censorship. Twitter has not yet blocked a tweet using this new system, but when it does, that tweet will not simply disappear---there will be a message informing you that content has been blocked due to your geographical location. Fortunately, your geographical location is easy to change on the Internet. You can use a proxy or a Tor exit node located in another country. Read Write Web also suggests that you can circumvent per-country censorship by simply changing the country listed in your profile.

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Update: Twitter boss explains

5th February 2012. See article from mashable.com

Twitter CEO Dick Costolo took the stage at AllThingsD's media conference to defend the company's new censorship policies. He argued that Twitter's new policies allow for greater freedom of speech on the platform. Previously, when a government demanded that Twitter remove a tweet or block a user, access to that content would be blocked from the entire world. Now, Twitter can hide the tweet or user from that individual country, but allow the rest of the world to see it. Costello explained:

There's been no change in our stance or attitude or policy with respect to content on Twitte. What we announced is a greater capability we now have. Now, when we are issued a valid legal order in a country in which we operate, such as a DMCA takedown notice, we are able to leave the content up for as many people around the world as possible, while still operating within the local law. You can't operate in these countries and choose the laws you want to abide by.

We don't proactively go do anything. This is purely a reactive capability to what we determine to be a valid and applicable legal order in a country in which we operate. We're fully blocked in Iran and China. And I don't see the current environment in either country being one in which we could go and operate anytime soon.

The Thai government becomes the first to publicly endorse Twitter's decision to permit country-specific censorship of content

Thai information and communication technology minister, Jeerawan Boonperm, called Twitter's decision a welcome development and said the ministry already received good co-operation from internet companies such as Google and Facebook. The Thai government would soon be contacting Twitter to discuss ways in which they can collaborate, she told the Bangkok Post.

Thailand has some of the most repressive censorship laws in the world, ranking it 153 out of 178 in Reporters Without Borders' 2011 Press Freedom Index. In particular these are used to target criticism of the monarchy. Lese-majeste laws include punishments by up to 15 years in prison, but under Thailand's 2007 computer crimes act prosecutors have been able to increase sentences.

Thailand's endorsement could have profound ramifications across the region, said Sunai Phasuk of Human Rights Watch Thailand, while it already adds more damage to an already worrying trend in Thailand. Twitter gives space to different opinions and views, and that is so important in a restricted society -- it gives people a chance to speak up, he said. But if this censorship is welcomed by Thailand, then other countries, with worse records for human rights and freedom of speech, will find that they have an ally.

A request for an injunction to stop Twitter users from alerting drivers to police roadblocks, radar traps and drunk-driving checkpoints could make Brazil the first country to take Twitter up on its plan to censor content at governments' requests.

Twitter unveiled plans last month that would allow country-specific censorship of tweets that might break local laws.

As far as we know this is the first time that a country has attempted to take Twitter up on their country-by-country take down, Eva Galperin of the San Francisco-based Electronic Frontier Foundation said: Twitter has given these countries the tool and now Brazil has chosen to use it, she said.

Carlos Eduardo Rodrigues Alves, a spokesman for the federal prosecutor's office, said the injunction request was filed Monday. He said a judge was expected to announce in the next few days whether he will issue the order against Twitter users.

In early June, about three weeks before Beyonce's latest album came out, one of her songs, a collaboration with the rapper Andre 3000, made its way to the open seas of the Internet. Twitter recently published a batch of data that sheds light on the leak and provides insight into how Twitter censors information on the Internet.

It began when a website called RapUp published a link to the song, Party. Someone tweeted the link and lots of people retweeted it. From the perspective of Beyonce's record label, Columbia, this was not cool. So Columbia turned to a London-based contractor called Web Sheriff, which sent a takedown request to Twitter. It contained a list of over 100 of those copyright-infringing tweets and retweets. Twitter wrote back quickly: We have removed the reported materials from the site.

Twitter has removed thousands of tweets from its site over the years, and last month, it published the more than 4,000 takedown requests that have floated into its inbox since 2009.

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