1. This survey has only one page and should take less than one minute.

* 1. I use the ZINC *website*

* 2. I use the ZINC *database*

* 3. I work or study at

* 4. I use ZINC for

* 5. I use the following features

* 6. Please tell us about your general location (optional)

* 7. General comments (confidential)

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