Very good traditional ic development before 2000 .Since 2000 to 2020 modern ic development are topsecret pattencopyright until 3nm (mass productio in 2021 or 2025 ,coverup-development ?) This 2018 video is reviewing 1970-2000 traditional ic technology is very motivation to youngsters born after 2000 ? Any news from 2000 to 2020 (flat 2Dimension ic to stack 3Dimension ic) ?!