3. Technical brilliance of the scientist/engineer who runs Itronics. 4. Extent of stock share dilution unknown, at least by me. About 16 mil. In my opinion is very low. In my opinion they have been very conservative about dilution, and increased dilution information has been released in the past. The release has been very slow to grow. I believe is a good thing. Reason for that is in black.The low out-standing shares is a big plus for the company,and is rarely talked about. The pie is still whole.