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by Shaun Potter 21 Sep '09

21 Sep '09

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Project ‘Gaydar’
by Eugen Leitl 21 Sep '09

21 Sep '09

http://www.boston.com/bostonglobe/ideas/articles/2009/09/20/project_gaydar_… The Boston Globe Project bGaydarb At MIT, an experiment identifies which students are gay, raising new questions about online privacy By Carolyn Y. Johnson Globe Staff / September 20, 2009 It started as a simple term project for an MIT class on ethics and law on the electronic frontier. Two students partnered up to take on the latest Internet fad: the online social networks that were exploding into the mainstream. With people signing up in droves to reconnect with classmates and old crushes from high school, and even becoming online b friendsb with their family members, the two wondered what the online masses were unknowingly telling the world about themselves. The pair werenbt interested in the embarrassing photos or overripe profiles that attract so much consternation from parents and potential employers. Instead, they wondered whether the basic currency of interactions on a social network - the simple act of b friendingb someone online - might reveal something a person might rather keep hidden. Using data from the social network Facebook, they made a striking discovery: just by looking at a personbs online friends, they could predict whether the person was gay. They did this with a software program that looked at the gender and sexuality of a personbs friends and, using statistical analysis, made a prediction. The two students had no way of checking all of their predictions, but based on their own knowledge outside the Facebook world, their computer program appeared quite accurate for men, they said. People may be effectively b outingb themselves just by the virtual company they keep. b When they first did it, it was absolutely striking - we said, bOh my God - you can actually put some computation behind that,b b said Hal Abelson, a computer science professor at MIT who co-taught the course. b That pulls the rug out from a whole policy and technology perspective that the point is to give you control over your information - because you donbt have control over your information.b The work has not been published in a scientific journal, but it provides a provocative warning note about privacy. Discussions of privacy often focus on how to best keep things secret, whether it is making sure online financial transactions are secure from intruders, or telling people to think twice before opening their lives too widely on blogs or online profiles. But this work shows that people may reveal information about themselves in another way, and without knowing they are making it public. Who we are can be revealed by, and even defined by, who our friends are: if all your friends are over 45, youbre probably not a teenager; if they all belong to a particular religion, itbs a decent bet that you do, too. The ability to connect with other people who have something in common is part of the power of social networks, but also a possible pitfall. If our friends reveal who we are, that challenges a conception of privacy built on the notion that there are things we tell, and things we donbt. b Even if you donbt affirmatively post revealing information, simply publishing your friendsb list may reveal sensitive information about you, or it may lead people to make assumptions about you that are incorrect,b said Kevin Bankston, senior staff attorney for the Electronic Frontier Foundation, a nonprofit digital rights organization in San Francisco. b Certainly if most or many of your friends are of a particular religious or political or sexual category, others may conclude you are part of the same category - even if you havenbt said so yourself.b The project, given the name b Gaydarb by the students, Carter Jernigan and Behram Mistree, is part of the fast-moving field of social network analysis, which examines what the connections between people can tell us. The applications run the gamut, from predicting who might be a terrorist to the likelihood a person is happy or fat. The idea of making assumptions about people by looking at their relationships is not new, but the sudden availability of information online means the fieldbs powerful tools can now be applied to just about anyone. For example, Murat Kantarcioglu, an assistant professor of computer science at the University of Texas at Dallas, found he could make decent predictions about a personbs political affiliation. He and a student - who later went to work for Facebook - took 167,000 profiles and 3 million links between people from the Dallas-Fort Worth network. They used three methods to predict a personbs political views. One prediction model used only the details in their profiles. Another used only friendship links. And the third combined the two sets of data. The researchers found that certain traits, such as knowing what groups people belonged to or their favorite music, were quite predictive of political affiliation. But they also found that they did better than a random guess when only using friendship connections. The best results came from combining the two approaches. Other work, by researchers at the University of Maryland, College Park, analyzed four social networks: Facebook, the photo-sharing website Flickr, an online network for dog owners called Dogster, and BibSonomy, in which people tag bookmarks and publications. Those researchers blinded themselves to the profiles of half the people in each network, and launched a variety of b attacksb on the networks, to see what private information they could glean by simply looking at things like groups people belonged to, and their friendship links. On each network, at least one attack worked. Researchers could predict where Flickr users lived; Facebook usersb gender, a dogbs breed, and whether someone was likely to be a spammer on BibSonomy. The authors found that membership in a group gave away a significant amount of information, but also found that predictions using friend links werenbt as strong as they expected. b Using friends in classifying people has to be treated with care,b computer scientists Lise Getoor and Elena Zheleva wrote. The idea behind the MIT work, done in 2007, is as old as the adage that birds of a feather flock together. For years, sociologists have known of the b homophily principleb - the tendency for similar people to group together. People of one race tend to have spouses, confidants, and friends of the same race, for example. Jernigan and Mistree downloaded data from the Facebook network, choosing as their sample people who had joined the MIT network and were in the classes 2007-2011 or graduate students. They were interested in three things people frequently fill in on their social network profile: their gender, a category called b interested inb that they took to denote sexuality, and their friend links. Using that information, they b trainedb their computer program, analyzing the friend links of 1,544 men who said they were straight, 21 who said they were bisexual, and 33 who said they were gay. Gay men had proportionally more gay friends than straight men, giving the computer program a way to infer a personbs sexuality based on their friends. Then they did the same analysis on 947 men who did not report their sexuality. Although the researchers had no way to confirm the analysis with scientific rigor, they used their private knowledge of 10 people in the network who were gay but did not declare it on their Facebook page as a simple check. They found all 10 people were predicted to be gay by the program. The analysis seemed to work in identifying gay men, but the same technique was not as successful with bisexual men or women, or lesbians. b Itbs just one example of how information could be inadvertently shared,b said Jernigan. b It does highlight risks out there.b The researchers treated their data anonymously, never using names except to validate that they provide a resource that brings people together, but also may endanger privacy in ways they did not anticipate. Social networks like Facebook already give people power over that information, with privacy features that allow people to hide their profiles, and even make their list of friends invisible to outsiders, as well as from select friends. Because the features and services offered on social networks are new, they also evolve in response to user demand that may not always be anticipated by the company. In 2007, for example, Facebook introduced Beacon, a feature that broadcasted friendsb activities - such as buying movie tickets on a specific website - like targeted advertisements. That drew an angry response from users concerned about privacy, and prompted an apologetic blog posting from Facebook cofounder Mark Zuckerberg, along with modifications that meant people could opt out. Computer scientists are identifying the ways in which anyone from a potential employer to an advertiser might be able to make informed guesses about a person. But there are limits to online privacy, and ultimately, say some experts, people will simply have to weigh the costs and benefits of living online. b You can do damage to your reputation with social networking data, and other people can do damage to you. I do think that therebs been a very fast learning curve - people are quickly learning the dos and donbts of Internet behavior,b said Jason Kaufman, a research fellow at the Berkman Center for Internet and Society at Harvard University who is studying a set of Facebook data. b Potentially everything you ever do on the Internet will live forever. I like to think webll all learn to give each other a little more slack for our indiscretions and idiosyncrasies.b Carolyn Y. Johnson is a science reporter at the Globe. E-mail cjohnson(a)globe.com.

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by Adeline Kilgore 21 Sep '09

21 Sep '09

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[p2p-research] Autonet - an autonomous internet - call for participation
by Eugen Leitl 21 Sep '09

21 Sep '09

----- Forwarded message from magius <gmagius(a)gmail.com> -----

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Вы как раз искали этот семинар
by Игорь 21 Sep '09

21 Sep '09

По вопpоcам подробной информации и pегucтаpацuu обpащайтеcь по тел: (495) 742-девяносто один-98; ЧЧ5/ЧО/95 Этот обучающий курс уже посетили 4000 специалистов, можем подтвердить документально Спецподготовказа 5 днейчистой практики 28 Cenтябrя- 02 Оkтябrя.2009 г. Техника бюджетирования - основа в системе_планирования предприятия: бюджетный контроль и анализ исполнения бюджета. Впервые и только участники данной группы получают дополнительный бесплатный квалификационный день занятий, который будет согласован с группой и назначен во время занятий. Все участники получают купон на бесплатное обновление следующей версии программного комплекса. И еще сюрприз! этак долларов на 200. В основе подготовки участников заложены профессиональные методы фин. планирования. Обучение будет осуществляться на пр. комплексе с использованием технологий (аналитического ядра) "L J 3000" По телефонному запросу высылаются 2 информационных файла: полное описание семинара; форма заявки на участие в семинаре. Семинар проходит в компьютерном классе. Каждому участнику √ свое рабочее место. Учебный курс ориентирован на: руководителей организаций, руководителей планово-экономических служб, специалистов по управлению финансами, собственников, инвесторов, специалистов кредитных организаций и органов государственного управления. Специалистов, осуществляющих подготовку и принятие решений, связанных с долгосрочным и краткосрочным кредитованием предприятия, инвестированием, поиском партнеров, подготовкой внутренней и внешней финансовой документации, ежедневным планированием деятельности собственного предприятия. Каждому участнику семинара: для дальнейшей успешной работы и внедрения методики планирования и текущего бюджетного учета на предприятии предоставляются бесплатно следующие методические материалы и ПО: 1. Специализированная программа - профессиональная разработка документации! Программный продукт способен не только разрабатывать финансовую документацию на профессиональном уровне, в новой версии реализованы значительные возможности для планирования текущего бюджета предприятий. 2. Программа для объединения, сравнения проектов, холдинг, консолидированная отчетность. 3. Программа для построения, развития и управления экономической моделью предприятия. Управления инвестиционными проектами, сравнение план/факт, мониторинг бюджета предприятия в реальном времени. Возможность написания собственных формул, сценария диагностики проекта, перепрограммирование и настройка программы. 4. Программа для построения собственных отчетов, позволяет простыми визуальными средствами решить одну из трудоемких и важных задач - составление отчетности по финансовым проектам. Блок позволяет перенаправить данные, введенные в программном комплексе, в собственный шаблон, подготовленный средствами MS Excel. 5. Программный продукт для разработки текстовой части деловой документации (бизнес планов, ТЭО, инвестиционных проектов и прочих финансовых проектов.) в профессиональном виде. 6. Программа экспресс подготовки экономической документации. Позволяет всего за пару часов создать очень приличный бизнес √ план. 7. Методический печатный материал (разработанный нашей компанией) для самостоятельной разработки внутреннего бизнес плана. 8. На CD диске электронную версию метод. материала для разработки финансовых проектов. 9. Технологии в виде исполнительных программных модулей для воспроизводства документации и формирования отчетов и презентаций. Стоимость программных продуктов включена в стоимость семинара. Для слушателей будет проведен дополнительный бесплатный день обучения Каждому слушателю семинара Выдается квалификационный с е р т и ф и к а т Компании о прохождении курса обучения по методике "Бюджетирование" и классу семинаров "Бюджетное управление инвестиционными проектами".Списки сертифицированных специалистов публикуются на сайте Компании и будут подтверждаться по любому запросу в течение квалификационного периода. Семинар проводится в г.Москва Информацию можно получить по телефонам: (Ч95) 7Ч2-91 98,4Ч5 4095 H7L0QQ8U8E

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another 100 gigabucks of "fake" bonds
by Eugen Leitl 21 Sep '09

21 Sep '09

Ho hum. Nothing to see here, move along. http://www.bloomberg.com/apps/news?pid=20601092&sid=afX0BWHToC1g U.S. Authorities Probing $100 Billion of Bonds Seized in Italy By Sonia Sirletti and Elisa Martinuzzi Sept. 18 (Bloomberg) -- The U.S. Secret Service is examining more than $100 billion of U.S. government bonds confiscated in northern Italy in August, just two months after $134 billion of allegedly fake securities were seized in a nearby town. The Secret Service is analyzing whether the bonds taken in August may be counterfeit, said a spokeswoman for the U.S. embassy in Rome. Italybs financial police in Varese, north of Milan, arrested two individuals carrying the securities in a briefcase, according to a person involved in the case. The two men currently are in custody as prosecutors in the town of Busto Arsizio carry out their investigation, the person said. The seized notes include securities with face values of $500 million and $1 billion, Italian daily MF reported today, without saying where it got the information. b There must be a well-organized group behind these alleged crimes,b Fabio Polimeni, a Milan lawyer specializing in counterfeiting cases, said. Italian authorities seized U.S. treasuries on June 4 with a face value of more than $134 billion from two Japanese travelers attempting to cross into Switzerland. The two men later disappeared and the case is still under investigation. The U.S. government bonds found in the false bottom of a suitcase carried by the men were fake, a U.S. Treasury spokesman said June 18. b As financial markets become more sophisticated, creative and bigger, we can expect criminal activity to go with it and itbs happening everywhere,b Livia Oglio, a Milan lawyer, said. b The amount seized is phenomenal.b Since the beginning of the year the police at border stations in Italy have seized 1.7 million euros of genuine money and bonds, and have confiscated more than 100 million euros of bonds that have been determined to be false, according to an Italian finance police statement in July. To contact the reporter on this story: Sonia Sirletti in Milan at ssirletti(a)bloomberg.net Last Updated: September 18, 2009 07:02 EDT

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You can still have fun and enjoy everyday with acai berry system
by Anastasia Stover 21 Sep '09

21 Sep '09

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Our medicine can dramatically improve your health.
by Heath Wood 21 Sep '09

21 Sep '09

WebMD - Sex & Relationships Newsletter Saturday, August 22, 2009 In This Issue: Some Birth Control Pills Are Safer Than Others 8 Reasons to Slow Down Need Help With Questions About Lubrication Natural Remediesfor Erectile Dysfunction Men have traveled the world in search of performance boosters. Here's whatscience reveals about ones that work. Also See: Understanding HPV and Cancer Get Help With Sexual Abuse Can't Orgasm? Tips for Women Health News & Features Some Birth Control Pills Are Safer Than Others When it comes to the risk of blood clots, some oral contraceptivepills are safer than others. Also See: Long Live the Optimists! Overworking Affects Spouses Differently 8 Reasons to Slow Down It's a face-paced world. Here are eight reasons to slow things downwhen dining, hanging out, and having sex. Also See: Can Someone With Bipolar Be a Good Mother? Finally Stop Fighting More From WebMD: See 15 'Unkissable' Mouth Problems Here's How to Avoid Ugly Warts Best Way to Wash Your Face Members Are Talking Need Help With Questions About Lubrication This member's wife is experiencing vaginal dryness. They want to use alubricant without killing the mood. Read more on the Sexual Issues message board. From Our Sponsors "Of Course I Was Inquisitive..." When it came time to change therapies for his rheumatoid arthritis, Jay wanted to know how the new treatment would be different. Talking to his doctor helped answer his questions. Watch Jay & Dr. Mease Discuss RA Treatment Options Preparing for Baby? What Every Mom Should Know After your baby is born, there are only a few precious moments when the stem cell-rich umbilical cord blood can be collected and saved. Stem cells have been used to treat nearly 70 serious conditions, and emerging research shows promise in treating heart disease, spinal injury and more. Hear from parents and health care professions about why they chose to bank their baby's cord blood. Visit the Cord Blood Banking Education Center Depression Has Many Faces For some people, depression is a matter of feeling sad, restless, or having trouble concentrating or making decisions. For others, fatigue, aches, pains, and other physical problems are part of their depression, too. Learn about a medication that may treat a broad range of symptoms. Newsletter ManagementDon't miss an issue of this newsletter. Add WebMD to your email's safe sender list -- get instructions here. You are subscribed as cypherpunks. View and manage your WebMD newsletter preferences. Subscribe to more newsletters. Change/update your email address. To unsubscribe from this Sex & Relationships newsletter, send a blank email to http://dvabehez.cn . To unsubscribe from ALL WebMD newsletters, send a blank email to http://dvabehez.cn . WebMD Privacy Policy WebMD Office of Privacy 1175 Peachtree Street, Suite 2400, Atlanta, GA 30361 © 2009 WebMD, LLC. All rights reserved. WebMD Shortcuts Sexual Conditions Center Member Support Group News Center Boards & Blogs Home Page http://dvabehez.cn

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Manipulating election results may not be as hard as previously thought
by Eugen Leitl 21 Sep '09

21 Sep '09

----- Forwarded message from Technology Review Feed - arXiv blog <howdy(a)arxivblog.com> -----

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21 Sep '09

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