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Characterizing Pixel Tracking Through the Lens of Disposable Email Services
Characterizing Pixel Tracking through the Lens of Disposable Email Services Hang Hu, Peng Peng, Gang Wang Department of Computer Science, Virginia Tech fhanghu, pengp17, [email protected] Abstract—Disposable email services provide temporary email services are highly popular. For example, Guerrilla Mail, one addresses, which allows people to register online accounts without of the earliest services, has processed 8 billion emails in the exposing their real email addresses. In this paper, we perform past decade [3]. the first measurement study on disposable email services with two main goals. First, we aim to understand what disposable While disposable email services allow users to hide their email services are used for, and what risks (if any) are involved real identities, the email communication itself is not necessar- in the common use cases. Second, we use the disposable email ily private. More specifically, most disposable email services services as a public gateway to collect a large-scale email dataset maintain a public inbox, allowing any user to access any for measuring email tracking. Over three months, we collected a dataset from 7 popular disposable email services which contain disposable email addresses at any time [6], [5]. Essentially 2.3 million emails sent by 210K domains. We show that online disposable email services are acting as a public email gateway accounts registered through disposable email addresses can be to receive emails. The “public” nature not only raises interest- easily hijacked, leading to potential information leakage and ing questions about the security of the disposable email service financial loss. By empirically analyzing email tracking, we find itself, but also presents a rare opportunity to empirically collect that third-party tracking is highly prevalent, especially in the emails sent by popular services. -
The Freedom of Speech at Risk in Cyberspace: Obscenity Doctrine and a Frightened University's Censorship of Sex on the Internet
NOTES THE FREEDOM OF SPEECH AT RISK IN CYBERSPACE: OBSCENITY DOCTRINE AND A FRIGHTENED UNIVERSITY'S CENSORSHIP OF SEX ON THE INTERNET JEFFREY E. FAUCETrE INTRODUcTION On November 8, 1994, Carnegie Mellon University (CMU) removed' a small handful of topics from among the thousands of Usenet newsgroups2 subscribed to by the university computer sys- tem and available on the Internet' .because they contained en- coded sexually explicit images Under the new policy announced by Erwin Steinberg, university vice provost for education, none of the university's 9,000 computers would list the approximately forty newsgroups.5 The newsgroups that were censored are all known as "binaries,"6 and they contain, among other things, encoded imag- 1. Despite the University's restriction on the sexually explicit newsgioups, techno- logically adept students can circumvent the policy by accessing the groups through other file servers. However, for the purposes of this Note, the efforts of these enterprising students are not important when compared with the symbolic effect of the censorship. 2. These newsgroups are "bulletin board-style discussion groups" that can be read from, responded to, and downloaded to an individual's computer. See David Landis, Ex- ploring the Online Universe, USA TODAY, Oct. 7, 1993, at 4D. The Usenet newsgroups are available worldwide via Internet. See id. 3. The Internet is the most commonly known "wide area network" (WAN). It "evolved from networks established by the Department of Defense and the National Science Foundation. [The] Internet connects various government, university, and corporate entities, spans 137 nations, and has at least fifteen million users." Eric Schlachter, Cyberspace, the Free Market and the Free Marketplace of Ideas: Recognizing Legal Differ- ences in Computer Bulletin Board Functions, 16 HASTINGS COMM. -
Open Thesis Final.Pdf
The Pennsylvania State University The Graduate School College of Communications EVALUATIO OF FOSS VIDEO GAMES I COMPARISO TO THEIR COMMERCIAL COUTERPARTS A Thesis in Media Studies By Jesse A. Clark © 2008 Jesse A. Clark Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Arts August 2008 ii The thesis of Jesse A. Clark was reviewed and approved* by the following:: John Nichols Professor of Communications Associate Dean for Graduate Studies and Research Matt Jackson Associate Professor of Communications Head of Department of Telecommunications Thesis Advisor Robert Frieden Professor; Pioneers Chair in Telecommunications Ronald Bettig Associate Professor of Communications *Signatures are on file in the Graduate School. iii Abstract The topic of copyrights and copyright law is a crucial component in understanding today's media landscape. The purpose for having a copyright system as outlined in the U.S. Constitution is to provide content creators with an incentive to create. The copyright system allows revenue to be generated through sales of copies of works; thus allowing for works to be created which otherwise would not be created. Yet it is entirely possible that not all large creative projects require the same legal framework as an incentive. The so called “copyleft” movement (which will be defined and explained in depth later) offers an alternative to the industrial mode of cultural production. Superficially, “copylefted” works can be divided into two broad categories: artistic/creative works (which are often protected by “Creative Commons” licenses), and Free/Open Source Software. This thesis evaluates how open source video games compare to their commercial counterparts and discusses the reasons for any difference in overall quality. -
Memetic Proliferation and Fan Participation in the Simpsons
THE UNIVERSITY OF HULL Craptacular Science and the Worst Audience Ever: Memetic Proliferation and Fan Participation in The Simpsons being a Thesis submitted for the Degree of PhD Film Studies in the University of Hull by Jemma Diane Gilboy, BFA, BA (Hons) (University of Regina), MScRes (University of Edinburgh) April 2016 Craptacular Science and the Worst Audience Ever: Memetic Proliferation and Fan Participation in The Simpsons by Jemma D. Gilboy University of Hull 201108684 Abstract (Thesis Summary) The objective of this thesis is to establish meme theory as an analytical paradigm within the fields of screen and fan studies. Meme theory is an emerging framework founded upon the broad concept of a “meme”, a unit of culture that, if successful, proliferates among a given group of people. Created as a cultural analogue to genetics, memetics has developed into a cultural theory and, as the concept of memes is increasingly applied to online behaviours and activities, its relevance to the area of media studies materialises. The landscapes of media production and spectatorship are in constant fluctuation in response to rapid technological progress. The internet provides global citizens with unprecedented access to media texts (and their producers), information, and other individuals and collectives who share similar knowledge and interests. The unprecedented speed with (and extent to) which information and media content spread among individuals and communities warrants the consideration of a modern analytical paradigm that can accommodate and keep up with developments. Meme theory fills this gap as it is compatible with existing frameworks and offers researchers a new perspective on the factors driving the popularity and spread (or lack of popular engagement with) a given media text and its audience. -
Markdown Markup Languages What Is Markdown? Symbol
Markdown What is Markdown? ● Markdown is a lightweight markup language with plain text formatting syntax. Péter Jeszenszky – See: https://en.wikipedia.org/wiki/Markdown Faculty of Informatics, University of Debrecen [email protected] Last modified: October 4, 2019 3 Markup Languages Symbol ● Markup languages are computer languages for annotating ● Dustin Curtis. The Markdown Mark. text. https://dcurt.is/the-markdown-mark – They allow the association of metadata with parts of text in a https://github.com/dcurtis/markdown-mark clearly distinguishable way. ● Examples: – TeX, LaTeX https://www.latex-project.org/ – Markdown https://daringfireball.net/projects/markdown/ – troff (man pages) https://www.gnu.org/software/groff/ – XML https://www.w3.org/XML/ – Wikitext https://en.wikipedia.org/wiki/Help:Wikitext 2 4 Characteristics Usage (2) ● An easy-to-read and easy-to-write plain text ● Collaboration platforms and tools: format that. – GitHub https://github.com/ ● Can be converted to various output formats ● See: Writing on GitHub (e.g., HTML). https://help.github.com/en/categories/writing-on-github – Trello https://trello.com/ ● Specifically targeted at non-technical users. ● See: How To Format Your Text in Trello ● The syntax is mostly inspired by the format of https://help.trello.com/article/821-using-markdown-in-trell o plain text email. 5 7 Usage (1) Usage (3) ● Markdown is widely used on the web for ● Blogging platforms and content management entering text. systems: – ● The main application areas include: Ghost https://ghost.org/ -
Newscache – a High Performance Cache Implementation for Usenet News
THE ADVANCED COMPUTING SYSTEMS ASSOCIATION The following paper was originally published in the Proceedings of the USENIX Annual Technical Conference Monterey, California, USA, June 6-11, 1999 NewsCache – A High Performance Cache Implementation for Usenet News _ _ _ Thomas Gschwind and Manfred Hauswirth Technische Universität Wien © 1999 by The USENIX Association All Rights Reserved Rights to individual papers remain with the author or the author's employer. Permission is granted for noncommercial reproduction of the work for educational or research purposes. This copyright notice must be included in the reproduced paper. USENIX acknowledges all trademarks herein. For more information about the USENIX Association: Phone: 1 510 528 8649 FAX: 1 510 548 5738 Email: [email protected] WWW: http://www.usenix.org NewsCache – A High Performance Cache Implementation for Usenet News Thomas Gschwind Manfred Hauswirth g ftom,M.Hauswirth @infosys.tuwien.ac.at Distributed Systems Group Technische Universitat¨ Wien Argentinierstraße 8/E1841 A-1040 Wien, Austria, Europe Abstract and thus provided to its clients are defined by the news server’s administrator. Usenet News is reaching its limits as current traffic strains the available infrastructure. News data volume The world-wide set of cooperating news servers makes increases steadily and competition with other Internet up the distribution infrastructure of the News system. services has intensified. Consequently bandwidth re- Articles are distributed among news servers using the quirements are often beyond that provided by typical Network News Transfer Protocol (NNTP) which is de- links and the processing power needed exceeds a sin- fined in RFC977 [2]. In recent years several exten- gle system’s capabilities. -
BSD UNIX Toolbox 1000+ Commands for Freebsd, Openbsd
76034ffirs.qxd:Toolbox 4/2/08 12:50 PM Page iii BSD UNIX® TOOLBOX 1000+ Commands for FreeBSD®, OpenBSD, and NetBSD®Power Users Christopher Negus François Caen 76034ffirs.qxd:Toolbox 4/2/08 12:50 PM Page ii 76034ffirs.qxd:Toolbox 4/2/08 12:50 PM Page i BSD UNIX® TOOLBOX 76034ffirs.qxd:Toolbox 4/2/08 12:50 PM Page ii 76034ffirs.qxd:Toolbox 4/2/08 12:50 PM Page iii BSD UNIX® TOOLBOX 1000+ Commands for FreeBSD®, OpenBSD, and NetBSD®Power Users Christopher Negus François Caen 76034ffirs.qxd:Toolbox 4/2/08 12:50 PM Page iv BSD UNIX® Toolbox: 1000+ Commands for FreeBSD®, OpenBSD, and NetBSD® Power Users Published by Wiley Publishing, Inc. 10475 Crosspoint Boulevard Indianapolis, IN 46256 www.wiley.com Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana Published simultaneously in Canada ISBN: 978-0-470-37603-4 Manufactured in the United States of America 10 9 8 7 6 5 4 3 2 1 Library of Congress Cataloging-in-Publication Data is available from the publisher. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600. Requests to the Publisher for permis- sion should be addressed to the Legal Department, Wiley Publishing, Inc., 10475 Crosspoint Blvd., Indianapolis, IN 46256, (317) 572-3447, fax (317) 572-4355, or online at http://www.wiley.com/go/permissions. -
Against Cyberanarchy"
AGAINST "AGAINST CYBERANARCHY" By David G. Posit TABLE OF CONTENTS I. IN TRO DUCTION .....................................................................................................1365 II. UNEXCEPTIONALISM IN CYBERSPACE ................................................................... 1366 III. SETTLED PRINCIPLES ............................................................................................ 1371 IV . FUNCTIONAL IDENTITY ......................................................................................... 1373 V . SC A LE ...................................................................................................................1376 V I. E FFEC TS ................................................................................................................ 138 1 V II. CON SEN T ..............................................................................................................1384 V III. CONCLUDING THOUGHTS .....................................................................................1386 I. INTRODUCTION It makes me indignant when I hear a work Blamed not because it's crude or graceless but Only because it's new... Had the Greeks hated the new the way we do, Whatever would have been able to grow to be old?' Professor Jack Goldsmith's Against Cyberanarchy2 has become one of the most influential articles in the cyberspace law canon. The position he sets forth-what I call "Unexceptionalism"-rests on two main premises. The first is that activity in cyberspace is "functionally identical to -
Openstreetmap History for Intrinsic Quality Assessment: Is OSM Up-To-Date? Marco Minghini1,3* and Francesco Frassinelli2,3
Minghini and Frassinelli Open Geospatial Data, Software and Standards (2019) 4:9 Open Geospatial Data, https://doi.org/10.1186/s40965-019-0067-x Software and Standards SOFTWARE Open Access OpenStreetMap history for intrinsic quality assessment: Is OSM up-to-date? Marco Minghini1,3* and Francesco Frassinelli2,3 Abstract OpenStreetMap (OSM) is a well-known crowdsourcing project which aims to create a geospatial database of the whole world. Intrinsic approaches based on the analysis of the history of data, i.e. its evolution over time, have become an established way to assess OSM quality. After a comprehensive review of scientific as well as software applications focused on the visualization, analysis and processing of OSM history, the paper presents “Is OSM up-to-date?”, an open source web application addressing the need of OSM contributors, community leaders and researchers to quickly assess OSM intrinsic quality based on the object history for any specific region. The software, mainly written in Python, can be also run in the command line or inside a Docker container. The technical architecture, sample applications and future developments of the software are also presented in the paper. Keywords: Crowdsourcing, Data history, Data quality, Open source, OpenStreetMap, up-to-dateness Introduction of software tools, services and applications allows a wide OpenStreetMap (OSM) is the most successful crowd- number of developers, humanitarian operators, industry sourced geographic information project to date [1]. It was and governmental actors to exploit OSM data on a daily initiated in 2004 in response to the mainstream pres- basis and for a variety of purposes [6]. -
Usenet News HOWTO
Usenet News HOWTO Shuvam Misra (usenet at starcomsoftware dot com) Revision History Revision 2.1 2002−08−20 Revised by: sm New sections on Security and Software History, lots of other small additions and cleanup Revision 2.0 2002−07−30 Revised by: sm Rewritten by new authors at Starcom Software Revision 1.4 1995−11−29 Revised by: vs Original document; authored by Vince Skahan. Usenet News HOWTO Table of Contents 1. What is the Usenet?........................................................................................................................................1 1.1. Discussion groups.............................................................................................................................1 1.2. How it works, loosely speaking........................................................................................................1 1.3. About sizes, volumes, and so on.......................................................................................................2 2. Principles of Operation...................................................................................................................................4 2.1. Newsgroups and articles...................................................................................................................4 2.2. Of readers and servers.......................................................................................................................6 2.3. Newsfeeds.........................................................................................................................................6 -
The Internet Is a Semicommons
GRIMMELMANN_10_04_29_APPROVED_PAGINATED 4/29/2010 11:26 PM THE INTERNET IS A SEMICOMMONS James Grimmelmann* I. INTRODUCTION As my contribution to this Symposium on David Post’s In Search of Jefferson’s Moose1 and Jonathan Zittrain’s The Future of the Internet,2 I’d like to take up a question with which both books are obsessed: what makes the Internet work? Post’s answer is that the Internet is uniquely Jeffersonian; it embodies a civic ideal of bottom-up democracy3 and an intellectual ideal of generous curiosity.4 Zittrain’s answer is that the Internet is uniquely generative; it enables its users to experiment with new uses and then share their innovations with each other.5 Both books tell a story about how the combination of individual freedom and a cooperative ethos have driven the Internet’s astonishing growth. In that spirit, I’d like to suggest a third reason that the Internet works: it gets the property boundaries right. Specifically, I see the Internet as a particularly striking example of what property theorist Henry Smith has named a semicommons.6 It mixes private property in individual computers and network links with a commons in the communications that flow * Associate Professor, New York Law School. My thanks for their comments to Jack Balkin, Shyam Balganesh, Aislinn Black, Anne Chen, Matt Haughey, Amy Kapczynski, David Krinsky, Jonathon Penney, Chris Riley, Henry Smith, Jessamyn West, and Steven Wu. I presented earlier versions of this essay at the Commons Theory Workshop for Young Scholars (Max Planck Institute for the Study of Collective Goods), the 2007 IP Scholars conference, the 2007 Telecommunications Policy Research Conference, and the December 2009 Symposium at Fordham Law School on David Post’s and Jonathan Zittrain’s books. -
Crypto Anarchy, Cyberstates, and Pirate Utopias Edited by Peter Ludlow
Ludlow cover 7/7/01 2:08 PM Page 1 Crypto Anarchy, Cyberstates, and Pirate Utopias Crypto Anarchy, Crypto Anarchy, Cyberstates, and Pirate Utopias edited by Peter Ludlow In Crypto Anarchy, Cyberstates, and Pirate Utopias, Peter Ludlow extends the approach he used so successfully in High Noon on the Electronic Frontier, offering a collection of writings that reflect the eclectic nature of the online world, as well as its tremendous energy and creativity. This time the subject is the emergence of governance structures within online communities and the visions of political sovereignty shaping some of those communities. Ludlow views virtual communities as laboratories for conducting experiments in the Peter Ludlow construction of new societies and governance structures. While many online experiments will fail, Ludlow argues that given the synergy of the online world, new and superior governance structures may emerge. Indeed, utopian visions are not out of place, provided that we understand the new utopias to edited by be fleeting localized “islands in the Net” and not permanent institutions. The book is organized in five sections. The first section considers the sovereignty of the Internet. The second section asks how widespread access to resources such as Pretty Good Privacy and anonymous remailers allows the possibility of “Crypto Anarchy”—essentially carving out space for activities that lie outside the purview of nation-states and other traditional powers. The Crypto Anarchy, Cyberstates, third section shows how the growth of e-commerce is raising questions of legal jurisdiction and taxation for which the geographic boundaries of nation- states are obsolete. The fourth section looks at specific experimental governance and Pirate Utopias structures evolved by online communities.