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Wendy M. Grossman, a frequent contributor on information technology, is based in London.

More by Wendy M. Grossman
大眾科學 Magazine Vol 282 Issue 1This article was originally published with the title “Making Money the New-Fashioned Way” in 大眾科學 Magazine Vol. 282 No. 1 ()
doi:10.1038/scientificamerican012000-4fVjCkqCqtKcZmDX2cXEjE
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