40yrs programming and system design, creator of 1st EMR (1982), 1st to put EMR on the Internet (1995), 1st to put a doc on wireless handheld in exam room (1995, http://eecons.com/inventions/wirelessmedicalrecords/dmf-proxim.pdf). Designer of 1coolbox, a pihole device for regular ordinary users - designer of configuration programs for pi 3b+ so an end-user can configure IP addressing (wired or wireless) and etc/hosts updates for proper query log display. To be released soon: Freeware version of our config utilities (limited functionality) to help techies find unknown DHCP IP addresses and similar on their pi boxes (like when they bring them to work)