Yup ,kinda invaluable sources. Like you I gained a lot ,Will be missing his wisdom.

RIP Jerry, Learned a lot from your books. Those are very practical guidelines. We will miss your wisdom. It is a loos to the technological world. And I proudly posses your quite a few books, which change my life and thinking too about a specific thing. Thank you.

That's the spirit Kelsey! keep it up.

Cool ! perfect explanation.