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経済産業省は、工場を建設する目的で平成27年（1月～12月期）に1,000平方メートル以上の用地を取得した製造業、ガス業、熱供給業、電気業の事業者を対象に「工場立地動向調査」を実施し、結果を取りまとめました。

4月5日から9日まで、韓国のソウルにおいて、日中韓自由貿易協定(FTA)交渉の第10回交渉会合(局長/局次長会合)が開催されます。

経済産業省は、昨年10月に「活力あふれる『ビンテージ・ソサエティ』の実現に向けた取組に係る研究会」を立ち上げ、検討を重ね、今般報告書をとりまとめました。

交通事故の削減や渋滞緩和、環境負荷低減等の課題解決が期待される協調ITS（※）の実現普及に必要とされる地図データベースの整備や維持・更新のコスト削減に役立つ日本発の国際規格が制定されました。

平成28年3月4日に、東京電力からありました改正電気事業法に基づく会社分割に係る申請について、このたび申請のとおり認可しました。

青森県の一部地域で、9月下旬~11月下旬にかけて皮膚の腫れなどを訴えて受診する患者が大幅に増加している。寄生した魚を生で食べると顎口虫が体内に侵入し、皮下を動き回って皮膚が腫れたり、場合によっては目に移動して失明することもあるという。青森県保健衛生課は身体にかゆみや痛みを伴うみみず腫れのような症状がある場合、速やかに医療機関を受診するよう警告している（読売新聞、Web東奥）。 pongchang 曰く、青森県食の安全・安心推進課　安心推進グループによると９月以降皮膚爬行症の患者約１３０名が上北郡内及び八戸市内の医療機関を受診している。顎口虫によるものと考えられ患者の多くはシラウオを加熱せずに食べていたことが判明している。

すべて読む | セキュリティセクション | セキュリティ | ワーム |

関連ストーリー：
ビル・ゲイツ、目黒寄生虫館来訪 2022年08月23日
家畜用のイベルメクチンを飲むアメリカ人が急増、FDAが「あなたは牛や馬ではない」と警告 2021年08月24日
パッケージの「生」で生食の勘違い。秋鮭を生で食べて食中毒に 2020年11月14日
杉並区立公園でセミを食用目的で大量捕獲しないよう看板が掲示される 2020年09月03日
ゴキブリと共生する新種の線虫、「チュウブダイガク」と命名される 2020年01月22日

headless 曰く、Microsoft が 11 月 29 日にリリースした Windows 11 バージョン 22H2 の更新プログラムのプレビュー KB5020044 (リリース C、ビルド22621.900)で、一部のゲームやアプリのパフォーマンスが低下する問題を修正している (KB5020044、 Neowin の記事、 The Verge の記事、 Ghacks の記事)。 Microsoft はパフォーマンス低下の原因を一部のゲームやアプリが GPU パフォーマンスのデバッギング機能を意図せず有効化していたことによるものだと説明し、回避策としてゲームや関連アプリのアップデートを紹介していた。KB5020044 では、GPU パフォーマンスデバッグ機能に関連するゲームパフォーマンスの問題に対処したとのこと。 また、キーボードショートカットで IME モードを切り替えると一部のアプリケーションが応答を停止する問題にも対処したという。ただし、Windows 11 バージョン 22H2 の既知の問題では IME の問題のみ修正済みとマークされており、ゲーミングパフォーマンス低下の問題はセーフガードホールドの対象のままになっている。

すべて読む | ITセクション | バグ | Windows | ゲーム | IT |

関連ストーリー：
全角・半角の切り替えで一部アプリがクラッシュ問題、Microsoft側が認める 2022年11月29日
Windows 10 バージョン 22H2、幅広い展開の準備が整う 2022年11月23日
Microsoft、Windows 11 22H2 でゲームのパフォーマンスが低下する問題を認める 2022年11月13日
Microsoft、Windows 10 21H1 のサービス終了を前に再び注意喚起 2022年11月12日
Xbox Game Barで録画したことのある環境、Windows 11 22H2のブロック対象に 2022年11月07日

オムロン株式会社が提供する複数の PLC には、複数の脆弱性が存在します。

headless 曰く、Amazon Web Services (AWS) は11月28日、2030年までに使用する水よりも多くの水を供給するウォーターポジティブ化を実現する計画を発表した (プレスリリース、 The Register の記事)。 AWS のウォーターポジティブ化は水の使用効率向上と、再生水や雨水といった持続可能な供給源から採取した水の活用、再生水のコミュニティへの供給、水の供給増という 4 本の柱により計画を進める。対象はインド・英国・米国 (カリフォルニア) となっており、それぞれ現地の環境保護団体などと協力して計画を進めるとのこと。 ウォーターポジティブ化は Microsoft をはじめ、Intel (PDF) や Google、Meta なども取り組みを進めており、Intel は今年 7 月に米国・コスタリカ・インドでウォーターポジティブ化を達成したことも発表している。

すべて読む | ITセクション | 地球 | クラウド | サイエンス | インターネット |

関連ストーリー：
Microsoft、2030年までに同社が使用する水よりも多くの水を供給する「ウォーターポジティブ」を目指す 2020年09月27日

　 　今年６月、鹿児島市内でピアノコンサートをした。前日、私を招いてくださった藤明美さんがうたう奄美の島唄を聴いた。悲嘆が滲んでいた。「私のルーツ、奄美の平和が危うくて」。そう話しつつ彼女は一縷の望みを父母の故郷・奄美大 […]

山口大学がオオスズメバチがカブトムシを攻撃し、早朝に餌場を奪うことが分かったと発表した。理学部の小島渉講師が発見したもので、夜間の餌場を支配するカブトムシは、オオスズメバチがいないと昼まで餌場にとどまるという（中国新聞デジタル）。 小島講師が8月におこなった観察によれば、午前5時ごろに来た数匹のオオスズメバチが、山口市内のクヌギ林の樹液の餌場にいた約10匹のカブトムシの脚にかみ付き、全て木から振り落としていたそうだ。このことからカブトムシは朝になると攻撃されるため、夜行性であることを強いられている可能性があるとしている。

すべて読む | サイエンスセクション | 地球 | バイオテック | バグ | サイエンス |

関連ストーリー：
モモンガに紫外線を照射するとピンク色に光ることが判明 2019年02月22日
コウモリの生態に影響が少ないハイテク街灯を導入するオランダの住宅地 2018年06月21日
佐賀県で夜間にドローンを飛ばして害虫駆除をする実証実験 2016年07月20日
ドブネズミ駆除の目的で放たれたオポッサム、あらたな害獣問題に発展 2010年09月22日
恐竜を食べていた哺乳類の化石が発見される 2005年01月13日

This post is part of a series on Mastodon and the fediverse. We also have a post on understanding the fediverse, privacy and security on Mastodon, and why the fediverse will be great—if we don't screw it up, and more are on the way. You can follow EFF on Mastodon here.

The recent chaos at Twitter is a reminder that when you rely on a social media platform, you’re putting your voice, your privacy, and your safety in the hands of the people who run that system. Many people are looking to Mastodon as a backup or replacement for Twitter, and this guide will walk you through making that switch. Note this guide is current as of December 2022, and the software and services discussed are going through rapid changes.

What even is the fediverse? Well, we’ve written a more detailed and technical introduction, but put simply it is a large network of independently operated social media websites speaking to each other in a shared language. That means your fediverse social media account is more like email, where you pick the service you like and can still communicate with people who chose a different service.

EFF is excited and optimistic about the potential of this new way of doing things, but to be clear, the fediverse is still improving and may not be a suitable replacement for your old social media accounts just yet. That said, if you’re worried about relying on the stability of sites like Twitter, now is a good time to “backup” your social media presence in the fediverse.

1. Making an Account

When joining the fediverse, you are frontloaded with several important decisions. Keep in mind it’s easy enough to keep your account information when changing social media providers in the fediverse, so while important, these choices are not permanent. 

First, the social media site which connects you to the fediverse (called an “instance”) can run one of many applications which often mimic how other social media sites work. This guide focuses on the most popular of these called Mastodon, which is a microblogging application that works a lot like Twitter. If you strongly prefer another social media experience over Twitter, however, you may want to explore some of those alternative applications.

Next, using a site like joinmastodon.org, you’ll need to choose which specific Mastodon instance you join– and there are a lot of them. In making a selection you should consider three things:

• Operators: Who owns the instance and how is it managed? You are trusting them not only with your privacy and security, but to be responsible content moderators. When reviewing an instance’s about page, make sure the rules they set are agreeable to you. You may also want to consider the jurisdiction in which the instance is operating, to help you anticipate what legal and extralegal pressures the moderators might face.
• Community: Instances run the gamut from smaller or private options that center shared values and niche interests to large, general interest platforms open to everyone. When selecting one keep in mind that your local peers on an instance affect what content you see in direct and indirect ways. The result can be a close-nit community similar to a Facebook group, or a broad platform for exposure like Twitter. 
• Affiliation: Your instance will be a part of your username, like with email For example, EFF’s account name is “@eff@mastodon.social” with “mastodon.social” being the instance. This affiliation may reveal information about yourself, especially if you join a special interest instance. If your instance is considered polarizing or poorly managed, other instances may also “defederate” or block it—meaning your messages won’t be shared with them. That’s likely not a concern with most popular instances, however.

Newcomers, especially those trying Mastodon after using Twitter, will likely want to try a large general-interest server. To reiterate, Mastodon makes it relatively easy to change this later without losing your followers and settings. So even if your preferred instance isn’t available to new users, you can get started elsewhere and move later. Some of you may even eventually want to start your own instance, which you can learn about here.

2. Privacy and Security settings

Once you’ve registered your account, there are a few important settings to consider. While there is a lot to say about Mastodon’s privacy and security merits, this guide will only cover adjusting built-in account settings. 

Remember, there is no one-size fits all approach, and you may want to review our general advice on creating a security plan.

Profile Settings

• Require follow requests: Turning on this setting means another person can only follow your account after being approved. However, this does not affect whether someone can see your public posts (see next section).
• Suggest Account to others: if you are worried about drawing too many followers, you can uncheck this option so that mastodon instances do not algorithmically suggest your account to other users.
• Hide your social graph: Selecting this will hide who you are following and who is following you

Preference - Other

• Opt-out of search engine: Checking this will make it more difficult for a stranger to find your profile, but it may still be possible if your account is listed elsewhere–e.g., on another social media site or on another fediverse account. 

• Posting Privacy: 
  • Public: Your posts are publicly visible on your profile and are shared with non-followers
  • Unlisted: Your posts are publicly visible on your profile, but are not shared to non-followers. That means posts won’t be automatically shared to the fediverse, but anyone can visit your page to see your posts.
  • Followers-only: One needs to follow your account to view your posts.

Automated post deletion

Unlike Twitter, Mastodon has a built-in tool that gives users the ability to easily and automatically delete old posts on the site. 

This can be an effective way to limit the amount of information you leave publicly accessible, which is a good idea for people worried about online harassment or stalkers. However, public figures or organizations may opt to leave posts up as a form of public accountability.

Whatever you decide, remember that, as with any social media site, other users can download or screenshot your posts. Post deletion cannot unring that bell. An additional concern for the fediverse is that post deletion must be honored by every instance your post reaches, so some instances could significantly delay or not honor deletion requests (though this is not common).

Account settings - Enable 2FA

This group of settings lets you change your password, set up two factor authentication, and revoke access to your account from specific browsers and apps. If you notice any strange account activity, this is the section you can use to lock down access to your account

1. Select 2fa
2. Click setup and confirm your password
3. Using a 2fa app, scan the presented QR code or manually enter the text secret
4. Enter your two-factor code
5. Click enable
6. You’ll now receive 10 recovery codes in case you are not able to access the 2FA device you just set up. 

As with all 2FA recovery codes, take extra care to save these in a secure place such as a password manager, an encrypted file– or even written out by hand and locked away. If you ever lose these codes, or suspect that someone else might have access to them, you can return to this section to generate new ones to replace these.

Data export

Finally, if you have a secure way to store information, it is a good idea to regularly create a backup of your account. Mastodon makes it very easy to save your online life, so even if the instance you’re on today is bought by a bored billionaire, you can easily upload most of your account info to a new instance. If you’re planning ahead you can also port your followers to your new home by having your old account point to the new one.

It’s worth emphasizing again that your instance is controlled by its administrators—which means that its continued existence relies on them. Like a website, that means you’re trusting their continued work and wellbeing. However, if your instance is suddenly seized, censored, or bursts into flames, having a backup means you won’t have to completely start over.

3. Migrating and Verifying your Identity

Making sure your followers know you’re really you isn’t just to stroke your ego, it’s a crucial feature in combating misinformation and impersonation. However, if you’re looking for an equivalent of Twitter’s original blue-check verification system, you won’t find it on Mastodon– nor on Twitter, for that matter. You do have a few other options, though. 

Share your new Account

The easiest step is to simply link to your new Mastodon account on your other social media account(s). Adding the account to your name, bio, or a pinned message can help your followers find you on Mastodon through a number of methods. 

This is a good idea even if you plan for Mastodon to be your back-up account. You want users to know where you’ll be before it is necessary, and sharing early improves your ability to retain your following.

This is also a reason you may not want to delete your old account. Leaving this message up, especially from a verified account, will help your followers find you when they make the switch.

Website Verification

Mastodon also has a built-in verification system, but it’s a bit different than on centralized platforms. The original blue-check and similar, rely on users sharing sensitive documents to the social media company to verify that their online identity matches their legal identity– sometimes with that real name being required on the site. Ultimately, it is a system where users need to trust the diligence of that company’s bureaucratic process.

Instead, Mastodon instances only verify that your account has the ability to edit an external website. To do this, you first add the URL of a website you control to your profile under Profile > Appearance. The label for the URL does not matter.

Then you copy the line of HTML from your profile. This is simply a hyperlink to your account with a special message (`rel=”me”`) which most sites will remove from user-created text. Instead, you will need to edit the site’s HTML directly. For example, you can likely add or request this link be added to an employer’s website, who is then vouching for the account truly being yours. The result looks something like this:

On one hand, this system can eliminate an invasive, opaque, and often arbitrary bureaucracy from the verification process. On the other, you are now trusting two entities: the external website and the Mastodon instance hosting the user. This also asks users, like with email, to be careful for look-alike URLs being listed. 

So when setting up verification, a good strategy is to include the website(s) you have the most secure control over, and which has the most recognizable name. A personal blog is less assuring than an employers’ or schools’ site, while including all three can be very assuring– especially on reputable instances.

Mastodon: Into the Fediverse

Now you’re ready to jump into the fediverse itself. There are a few options for viewing posts: your “Home” feed will show you posts from everyone you follow; “Local” will show the listed posts from others on your instance; and “Federated” will show you all of the posts your instance is aware of–like a shared follow list you have with everyone on your instance. Keep this in mind as you follow accounts and “boost” posts by sharing them with your followers (similar to a retweet). There is no algorithm deciding what you see on Mastodon, but rather a shared process of curation and these actions increase the audience of a given post or user.

The fediverse, and Mastodon specifically, are rapidly developing and it is important to check regularly for changes to features and settings. Your particular security plan may also change in the future, so having regular reminders to check settings will help you adjust settings as needed. 

We have the chance to build something better than what the incumbent social media platforms. While this is an ongoing process, this overview of settings should put you in a good starting point to be a part of that change.

視聴覚障害者等向け放送の充実に関する研究会（第2回）の開催

情報通信審議会 郵政政策部会（第27回）の開催について

情報通信審議会　情報通信技術分科会　ITU部会　放送業務委員会（第47回）配布資料