Talk at University of Hong Kong, "The Age of Digital Convergence" - http://jmsc.hku.hk/adcc
June 12, 2009
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China's Censorship 2.0 (Green Dam update)
1. China?s Censorship 2.0:
inside the ¡°great ?rewall¡±
Rebecca MacKinnon
Journalism & Media Studies Centre,
University of Hong Kong
rmack@hku.hk
Friday, June 12, 2009 1
2. 2 (or 3) kinds of censorship
Friday, June 12, 2009 2
3. 2 (or 3) kinds of censorship
? ¡°Outside the great ?rewall¡±
? Filtering of websites outside of China
Friday, June 12, 2009 2
4. 2 (or 3) kinds of censorship
? ¡°Outside the great ?rewall¡±
? Filtering of websites outside of China
? ¡°Inside the great ?rewall¡±
? Deletion of content on domestic
commercial websites
? Takedown of domestically hosted
websites
? Shut-down of data centers
Friday, June 12, 2009 2
5. 2 (or 3) kinds of censorship
? ¡°Outside the great ?rewall¡±
? Filtering of websites outside of China
? ¡°Inside the great ?rewall¡±
? Deletion of content on domestic
commercial websites
? Takedown of domestically hosted
websites
? Shut-down of data centers
? New 3rd category: PC-level (¡°Green Dam¡±)
Friday, June 12, 2009 2
12. Censorship by Chinese blog-hosting companies
Blog post about
¡°Tiananmen Mothers¡±
Friday, June 12, 2009 7
13. Your post ¡°Tiananmen mothers organization publishes a
website¡± has been successfully submitted! Because it
contains sensitive words, please wait for the community
editors to approve it. Please don?t re-post. Thank you.
Friday, June 12, 2009 8
14. 15 blog hosts tested, 108 valid tests
Company A 60
B 44
C 34
D 31
NOTE: Company names have been replaced with
E 27 letters due to concerns that companies who censor
F 26
less will be subject to repercussions.
Blog services
G 24
H* 22
PUBLISHED PAPER: ¡°China?s Censorship 2.0: How
I 20 Companies censor bloggers.¡± First Monday.
Vol. 14, No. 2 - 2 February 2009
J 19 URL: http://?rstmonday.org/htbin/cgiwrap/bin/ojs/index.php/fm/article/view/2378/2089
K 17
L 13
M 9
N** 3
O*** 1
0 27 54 81 108
Number of blog posts tested
Friday, June 12, 2009 9
15. Main ?ndings
? Censorship across 15 BSP?s varied
even more than expected
? A great deal of politically sensitive
content survives in the Chinese
blogosphere despite censorship
? Censorship methods vary greatly from
company to company, implying
companies have at least some choice
Friday, June 12, 2009 10
16. Bao Tong essay blasting 1-party system (with
his name removed): censored by only 2 of 15
Friday, June 12, 2009 11
17. Xinhua: Hu Jintao pep talk to Olympic
athletes censored by Mop.com and Blogbus
Friday, June 12, 2009 12
18. Xinhua: Hu Jintao pep talk to Olympic
athletes censored by Mop.com and Blogbus
Mop: ¡°Sorry, your article has been sent to the recycling
station, please revise it then publish again.¡±
Friday, June 12, 2009 12
19. Conclusions
? Network-level ?ltering (¡°the great ?rewall¡±) is only one
part of Chinese Internet censorship.
? Domestic host-level censorship is not centralized.
? Domestic host-level censorship is outsourced by
government to the private sector.
? Censorship is inconsistent - it?s usually possible to
post your content somewhere, for at least a while.
Friday, June 12, 2009 13
20. Common Western view of Chinese
censorship: ¡°Great Firewall¡± is only part of the picture
Friday, June 12, 2009 14
21. ¡°Iron curtain 2.0¡±
(h/t Lokman Tsui)
Photo courtesy ¡°PC ?sh¡± on Wikipedia at:
http://en.wikipedia.org/wiki/File:Point_Alpha_Ostseite.jpg (GNU Free Documentation License)
Friday, June 12, 2009 15
22. ¡°Net nanny¡±
Photo courtesy ¡°merwing¡± at http://?ickr.com/photos/merwing/2569326878/
(Creative Commons BY-NC-ND license)
Friday, June 12, 2009 16
23. Chinese web management:
Hydro-electric engineering metaphor
Photos:
LEFT: ¡°noelinthebahamas¡± on Flickr at http://?ickr.com/photos/noelinthebahamas/2417798169/ (Creative Commons BY-NC-ND)
RIGHT: ¡°yunmeng¡± on Flickr at http://?ickr.com/photos/yunmeng/323886547/ (Creative Commons BY-NC-SA)
Friday, June 12, 2009 17
30. Anti-censorhip meme:
¡°River crab wears three watches¡±
Friday, June 12, 2009 21
31. Anti-censorhip meme:
¡°River crab wears three watches¡±
¡°He xie¡±
¡°Harmonious¡±
¡°Harmonious Society¡±
Slogan of President Hu Jintao
Friday, June 12, 2009 21
32. Anti-censorhip meme:
¡°River crab wears three watches¡±
¡°He xie¡±
¡°Harmonious¡±
¡°Harmonious Society¡±
Slogan of President Hu Jintao
¡°san ge dai biao¡±
¡°Three Represents¡±
Slogan of fmr. Pres. Jiang Zemin
Friday, June 12, 2009 21
33. Anti-censorhip meme:
¡°River crab wears three watches¡±
¡°He xie¡±
¡°Harmonious¡± ¡°Rivercrab¡±
¡°Harmonious Society¡±
Slogan of President Hu Jintao
¡°san ge dai biao¡±
¡°Three Represents¡±
Slogan of fmr. Pres. Jiang Zemin
Friday, June 12, 2009 21
34. Anti-censorhip meme:
¡°River crab wears three watches¡±
¡°He xie¡±
¡°Harmonious¡± ¡°Rivercrab¡±
¡°Harmonious Society¡±
Slogan of President Hu Jintao
¡°san ge dai biao¡± ¡°dai san ge biao¡±
¡°Three Represents¡± ¡°Wears three watches¡±
Slogan of fmr. Pres. Jiang Zemin
Friday, June 12, 2009 21
35. freedom vs. control
Both photos in public domain via Wikipedia:
http://en.wikipedia.org/wiki/File:T_Jefferson_by_Charles_Willson_Peale_1791_2.jpg
http://en.wikipedia.org/wiki/File:Alexander_Hamilton_portrait_by_John_Trumbull_1806.jpg
Friday, June 12, 2009 22
36. freedom vs. control
Both photos in public domain via Wikipedia:
http://en.wikipedia.org/wiki/File:T_Jefferson_by_Charles_Willson_Peale_1791_2.jpg
http://en.wikipedia.org/wiki/File:Alexander_Hamilton_portrait_by_John_Trumbull_1806.jpg
Friday, June 12, 2009 22
37. Battle on the Chinese Internet
Friday, June 12, 2009 23