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Dear Qhull User
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We would like to find out how you are using our software.  Think of
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Qhull as a new kind of shareware: you share your science and successes 
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with us, and we share our software and support with you. 
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If you use Qhull, please send us a note telling
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us what you are doing with it.
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We need to know:
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  (1) What you are working on - an abstract of your work would be
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      fine.
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  (2) How Qhull has helped you, for example, by increasing your 
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      productivity or allowing you to do things you could not do
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      before.  If Qhull had a direct bearing on your work, please 
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      tell us about this.
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We encourage you to cite Qhull in your publications.  
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To cite Qhull, please use
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        Barber, C.B., Dobkin, D.P., and Huhdanpaa, H.T., "The Quickhull 
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        algorithm for convex hulls," ACM Trans. on Mathematical Software,
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        22(4):469-483, Dec 1996, http://www.qhull.org.
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Please send e-mail to
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    bradb@shore.net
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Thank you!