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NSN | Profile: Luis von Ahn
A computer scientist finds novel ways to stop spammers and harness the brainpower of millions of people.
NOVA is produced by WGBH in Boston. Funding for NOVA scienceNOW is provided the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, the Corporation for Public Broadcasting, and public television viewers.
pbs.org/nova/sciencenow
This material is based upon work supported by the National Science Foundation under Grant No. 0407101. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
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By WGBH Science UnitA computer scientist finds novel ways to stop spammers and harness the brainpower of millions of people.
NOVA is produced by WGBH in Boston. Funding for NOVA scienceNOW is provided the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, the Corporation for Public Broadcasting, and public television viewers.
pbs.org/nova/sciencenow
This material is based upon work supported by the National Science Foundation under Grant No. 0407101. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.