*joule*

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Show me the fans of on as a or .

Some glitches have been reported with Twitter. Talk back here.

FAQ contents

  • What is Joule? (Answer)
  • What sites does it work on? / I would like it to work on insert your favourite site here (Answer)
  • I want to put a Joule box on my profile. (Answer)
  • I want to write an article about Joule. (Answer)
  • Do you have a terms-of-service policy? (Answer)
  • Do you have a privacy policy? (Answer)
  • I want to advertise on Joule. (Answer)
  • What about Twitter users who have tens of thousands of users? (Answer)
  • What about Dreamwidth? (Answer)
  • I want to adjust the history. / I have changed my screen name. / I have deleted my journal and want the Joule data erased. (Answer)
  • I want a JSON feed of Joule's data. (Answer)
  • You should make a version that lists who you have friended. (Answer)
  • You should make a cut-down version for mobiles. (Answer)
  • Why can't I see my account history back to when I got the account? I haven't used Joule before today. (Answer)
  • I have a million different accounts! How can I keep track of all of them? (Answer)
  • How can I keep track of Joule without coming back here every day? I use LiveJournal. (Answer)
  • How can I keep track of Joule without coming back here every day? I use Google Reader. (Answer)
  • How can I keep track of Joule without coming back here every day? I use BlogLines. (Answer)
  • What is "the address of my feed"? (Answer)
  • I would like to read Joule in my own language. (Answer)
  • I run a website and I would like Joule to track who friends my users. / I use a website that Joule doesn't track and I would be happy if it did. (Answer)
  • Why isn't Joule mentioned on Wikipedia? (Answer)
  • Who's behind all this, anyway? (Answer)
  • What was your favourite Joule moment? (Answer)
  • Why is it called Joule? (Answer)
  • I have another idea. / I have another question. (Answer)

What is Joule?

There are many sites which let other users make you their friend. Few of them have any sort of record of the fact, however. That's what Joule was made for. It began way back in August 2002 because Firinel asked for a way to keep track of LiveJournal users, and it grew and grew until, well, here we are.

What sites does it work on? / I would like it to work on insert your favourite site here

This is a big question and it gets its own page. Hop over there and read all about it.

I want to put a Joule box on my profile.

Awesome. Here's the code to do that.

I want to write an article about Joule.

That's fine with me. See the end of this page for how to get in touch.

Do you have a terms-of-service policy?

Broadly, be nice. I may interpret this in various ways; contact me if you need clarification. In particular, please avoid writing data-mining bots; ask if you want a feed (or just use RSS).

Do you have a privacy policy?

Joule doesn't track any information that isn't available to the general public. That said, if you want to remove or change information, we're fine with that as long as you can prove it's really you. This could involve posting a request in the actual journal or Twitter account, or OpenID or similar. I will run more of a consultation on this later.

Google would also like you to know that they use cookies on this site to track the ads you read in order to try to show you ads that won't bore you.

Mostly, Joule uses Google Adwords for the ads. I believe you can tell them you want to target Joule. If you want to take over Joule for a whole week with just your ads, contact us and we'll talk about it. (See the foot of the page.)

There are no ads on the feeds, largely because we don't fit well into Google's feed ads system. If you want to run an unobtrusive custom ad for a week or so there, we might consider it. Again, contact us.

What about Twitter users who have tens of thousands of users?

The current code can compare about a thousand users a second. Obviously if you looked up someone like Neil Gaiman, who has 300,000 followers, you'd have to wait five minutes. This isn't really acceptable, so we've turned off support for users with more than about 10,000 followers for now. We have a plan to fix this, but it will have to wait for the next version.

(If you have a pressing need for this and don't want to wait for the next version, we can always run comparisons as a background batch job every night so it'd work like any ordinary Twitter check. See the foot of this page for information on contacting us.)

What about Dreamwidth?

I'm waiting for them to support the feed we need. When they add that, I'll add them straight away.

I want to adjust the history. / I have changed my screen name. / I have deleted my journal and want the Joule data erased.

If you can prove it's really you who owns the account, then sure, get in touch. See the foot of this page.

I want a JSON feed of Joule's data.

Nobody has asked for it yet. Ask and you might get.

You should make a version that lists who you have friended.

I've been asked about this so often I'm setting up a consultation about whether we should do it.

You should make a cut-down version for mobiles.

So I should. Voilà!

Why can't I see my account history back to when I got the account? I haven't used Joule before today.

The sites that Joule reads from don't make history available; that's why Joule is needed in the first place. Joule can only get data when you ask for it and record it when you ask for it; it doesn't know about you before you first visit Joule.

I have a million different accounts! How can I keep track of all of them?

I had the idea of adding a kind of Joule account called a "multiplex" which would display information from, say, some Twitter accounts and some LiveJournal accounts on the same page or feed. Would that be useful to anyone?

How can I keep track of Joule without coming back here every day? I use LiveJournal.

Make sure you're logged in, then go here and enter the address of your RSS feed (see "What is the address of my feed?" below) into the box at the foot of the page. (More detailed instructions are here.)

How can I keep track of Joule without coming back here every day? I use Google Reader.

Click "Add a subscription" on the top left. In the box it brings up, type the address of your RSS feed (see "What is the address of my feed?" below). That's all there is to it.

How can I keep track of Joule without coming back here every day? I use BlogLines.

I will look into how to do this and get back to you.

What is "the address of my feed"?

It's http://joule.marnanel.org/rss/lj/yourname for LiveJournal, and http://joule.marnanel.org/rss/tw/yourname for Twitter. But if you only want to be told when someone adds or removes you, rather than every day, use http://joule.marnanel.org/rssnoblanks/lj/yourname for LiveJournal and http://joule.marnanel.org/rssnoblanks/tw/yourname for Twitter. Your name is your login name, not your real name.

I would like to read Joule in my own language.

The languages we already support are listed at the top of the page; there's also a separate site where you can help translate Joule, as well as hundreds of other programs.

I run a website and I would like Joule to track who friends my users. / I use a website that Joule doesn't track and I would be happy if it did.

There are things you can do about this! Go and read all about it.

Why isn't Joule mentioned on Wikipedia?

It would have to meet the notability criteria, and I don't really think it does at present, even after six years. Maybe one day.

Who's behind all this, anyway?

I'm Marnanel, otherwise known as Thomas Thurman. I've been programming all my life. You can find out a bit more about me here (although it's a touch out of date now). The layout of the site was designed by Firinel (who also has an art journal and a site where you can buy stuff). Joule is currently hosted by Red Stair. Previously, Joule was hosted for many years by the Pinkstuff People.

What was your favourite Joule moment?

Actually, the best thing has been the people. Almost everyone has been helpful and supportive and the best users anyone could hope for. On top of all the friendly comments and suggestions, and the random offers of dinner, there are some particular highlights, such as Joule being described by Poppy Z. Brite as "the most pernicious Livejournal plaything I've ever seen", getting an email about Joule in the same week it was launched which ended by saying that "you seem like a cool and interesting person... um, you are VERY hot too", and especially the person who was responsible for $200 turning up when Joule had a hosting bill crisis and I was out of work.

Why is it called Joule?

(Actually, nobody's ever asked me that.) The script was a sequel to another script called Kelvin which told you who had friended you but you hadn't friended back, who you had friended but hadn't friended you back, and your mutual friends. (There's no need for Kelvin any more because LJ does that for you now.) And the reason that was given its name is that Joule and Kelvin were both physicists who studied heat (someone else made a clone of Joule called "Rydberg" in 2005, which lasted a few months), temperature is measured in degrees, and the idea of friends and social networking is intimately bound up with the concept of six degrees of separation. Yes, it's a crappy pun; it was supposed to be a codename which would have some new name made up before release, but we never did. Such is the wild world of software.

I have another idea. / I have another question.

Excellent! Either tweet it to me, or post on the LJ community, or just send an email to me (thomas -at- thurman -dot- org -dot- uk) and let me know.

joule is by Thomas Thurman · v3.6 · page designed by Firinel Thurman
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