COLUMN: Letter from the editor
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XRDS, networking and you
By Chris Harrison
Magazine: Winter 2010 | Volume 17, No. 2
Humans are better at certain tasks than computers. In this issue of XRDS, we embrace the human side of computing and look at human computation, the act of using humans to 'compute' information, facilitated and organized with machines.
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COLUMN: INIT: Issue Introduction
Human computation and crowdsourcing
By Michael Bernstein, Inbal Talgam-Cohen
DEPARTMENT: Updates
Establishing an ACM student chapter
activity ideas for university groups
By Vaggelis Giannikas
SECTION: Features
Massive multiplayer human computation for fun, money, and survival
Labor-on-demand---it's like cloud computing but with human workers.
By Lukas Biewald
Analyzing the Amazon Mechanical Turk marketplace
An associate professor at New York Universitys Stern School of Business uncovers answers about who are the employers in paid crowdsourcing, what tasks they post, and how much they pay.
By Panagiotis G. Ipeirotis
Crowdsourcing, collaboration and creativity
While many organizations turn to human computation labor markets for jobs with black-or-white solutions, there is vast potential in asking these workers for original thought and innovation.
By Aniket Kittur
Heads in the cloud
A professor and several PhD students at MIT examine the challenges and opportunities in human computation.
By Robert C. Miller, Greg Little, Michael Bernstein, Jeffrey P. Bigham, Lydia B. Chilton, Max Goldman, John J. Horton, Rajeev Nayak
Mathematics for the masses
Can human computation bring together people from diverse backgrounds to solve age-old math problems?
By Jason Dyer
An introduction to human-guided search
Can people help computers solve challenging optimization problems?
By Michael Mitzenmacher
Beyond freebird
Exploring Twitter and live events by structure and context can shed light on what people think.
By David A. Shamma
Ethics and tactics of professional crowdwork
Paid crowd workers are not just an API call---but all too often, they are treated like one.
By M. Six Silberman, Lilly Irani, Joel Ross
Games for extracting randomness
Two computer scientists have created a video game about mice and elephants that can make computer encryption properly secure---as long as you play it randomly.
By Ran Halprin, Moni Naor
Profile Luis von Ahn
By Robert J. Simmons
Running the turk
To find out how Amazon.com runs its marketplace for crowdsourced labor, we spoke to the vice president at the company responsible for it.
By Nelson Zhang
