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

* 3. How many different biological targets have you worked on...

* 4. Of these, for how many was a structure of the target available:

* 5. The feature of ZINC that most urgently needs improvement is:

* 6. The features of ZINC I like best are:

* 7. Please tell us about where you work

* 8. Is there anything else you think we should know?