Published on March 3, 2014
EXP-50-CS CLASS #6, 2/25/14 I N F O R M AT I O N , C R O W D S O U R C I N G A N D T H E B I A S OF T H E F I LT E R B U B B L E TUFTS UNIVERSITY JESSE LITTLEWOOD A B O U T. M E / J E S S E . L I T T L E W O O D @J_LITTLEWOOD
AGENDA • Twitter • Lightning Talks: • Gerson • • Next week Cristina • Recap of Last Week • Information, Crowdsourcing and the Filter Bubble • Mid-Semester Evals
TWO SURVEYS OF INTERNET USERS • boyd and Hargittai • Youth apparently do care about privacy, and often change their settings • • K E • Pew Research Center E ads • 28% try to hide from W T S Ause a fake name or nickname • L 36% M Typically more worried about O • R other people seeing you than F P institutions A C E you are with • R More familiar technology, more likely you are to engage in privacy settings 33% are against internet anonymity Young people do more to hide • … young people have more online
Z U C K E R B E R G I N 2 0 1 0 O N P R I VA C Y • "When I got started in my dorm room at Harvard, the question a lot of people asked was 'why K E would I want to put any information on the Internet at all? Why would I want to have a website?' E W T really gotten comfortable services that have people sharing all this information. People have Smore openly and with more A not only sharing more information and diﬀerent kinds, but L over time. people. That social norm is just something that has evolved M O R "We view it as our role in the system to constantly be innovating and be updating what our F social norms are. system is to reﬂect what the current P A be trapped by the conventions and their legacies of what they've C "A lot of companies would E change - doing a privacy change for 350 million users is not the kind of built, doingR a privacy • "And then in the last 5 or 6 years, blogging has taken oﬀ in a huge way and all these diﬀerent • • thing that a lot of companies would do. But we viewed that as a really important thing, to always keep a beginner's mind and what would we do if we were starting the company now and we decided that these would be the social norms now and we just went for it."
T H E M E S S AG E FAC E B O O K U S E R S S AW I N D E C E M B E R 2 0 0 9 . R source: http:// ﬁrstmonday.org/ojs/ index.php/fm/article/ viewArticle/3086/2589 C E P A R F M O A L T S E W K E
AD BLOCKING P A • https://adblockplus.org R C E R F M O A L T S E W K E
CROWD WISDOM • Francis Galton • “The Wisdom of Crowds” • Guess the weight of the oxen ! • Scott E. Page • Diversity equals productivity • Trumps “IQ” Pedigree Alnwick Shorthorn bull “Sunstreak”, photographed by Sir Francis Galton
COMMUNITIES OF PRACTICE • Patrick Conway • Chief Knowledge Oﬃcer (CKO) • U.S. Army Combined Arms Support Command • Communities of practice — old communication methods are too slow • 165k people communicating • Only once did they have to ban someone — and it was for being oﬀensive
DUMBNESS OF CROWDS http://headrush.typepad.com/creating_passionate_users/2007/01/the_dumbness_of.html
B I G O N L I N E N E T W O R K S T H AT A R E N ’ T FAC E B O O K • Wikipedia: http://rcmap.hatnote.com/#en • Twitter: http://tweetping.net/ • Reddit: https://www.youtube.com/watch?v=fXGs_7Yted8
S O M U C H I N F O W H AT D O ? ! • Information diet? • https://www.youtube.com/watch?v=lNFNOSzik14
G O O G L E F I LT E R S T H E I N T E R N E T • Google PageRank • In essence, Google interprets a link from page A to page B as a vote, by page A, for page B. • Votes cast by pages that are themselves “important” weigh more heavily and help to make other pages “important.” • Not a directory.
• Filtering systems for your own feed. • How do you manage your own information sources? • Aggregators like news.me/Digg • Hashtags and search • Muting/unfriending • What else?
CONTENT SHOCK • Exponentially increasing volumes of content intersect our limited human capacity to consume it. — Mark Schaefer • 1) Deep pockets win • 2) The entry barriers become impossibly high • 3) The cost-beneﬁts ﬂip • Facebook says: On a given day, when someone visits News Feed, there are an average of 1,5001 possible stories we can show. www.businessesgrow.com/2014/01/06/content-shock/
• Eli Pariser: The Filter Bubble • http://www.ted.com/talks/ eli_pariser_beware_online_ﬁlter_bubbles.html
• Bing Elections 2012 lets you choose your own ﬁlter bubble
• Next Week: • Journalism • Talks by: • Danyelle • Tara • Leila
NEXT WEEK: JOURNALISM • Reading: • Stray, Jonathan. Are we stuck in ﬁlter bubbles? Here are ﬁve potential paths out. July 11, 2012. http://www.niemanlab.org/2012/07/are-we-stuck-in-ﬁlter-bubbles-here-are-ﬁve-potentialpaths-out/ • Mele, Nicco. The End of Big. Chapter 2 “Big News” http://nicco.org/readings/eobchapter2.pdf • Johnson, Steven. Future Perfect: The Case For Progress in a Networked Age. Chapter: Journalism: The Pothole Paradox. • Shirky, Clay. Newspapers and Thinking the Unthinkable. March 13, 2009. http:// www.shirky.com/weblog/2009/03/newspapers-and-thinking-the-unthinkable/ • Starkman, Dean. Conﬁdence Game - The limited vision of the news gurus. Colombia Journalism Review. Nov. 8, 2011. http://www.cjr.org/essay/conﬁdence_game.php?page=all
Social Media: Information, Crowdsourcing and The Filter Bubble -- Tufts University EXP-50-CS Spring 2014: Social Media -- Lecture 6 . Lecture 6 from Tufts ...
Social Media: Information, Crowdsourcing and The Filter Bubble -- Tufts University EXP-50... Lecture 6 from Tufts University EXP-50-CS "Social Media: Pa...
Cv 3819+tct+cs+ngay+6+9+2014 thanh toan cong tac phi ... Social Media: Information, Crowdsourcing and The ... Tufts University EXP-50-CS Spring 2014: ...