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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 281 Issue 1This article was originally published with the title “On-Line U” in 大眾科學 Magazine Vol. 281 No. 1 (), p. 41
doi:10.1038/scientificamerican0799-41
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