The challenge is "Invention, tool or technology", not "Invention, tool AND technology", right from the article and the interview. He simply mad a silly statement.
For example, as far as I know you can no longer purchase an Ondes Martenot, nor is there any other instrument that resembles it except superficially.
His point is well taken, though, that much of what we've invented over the years probably exists in a similar form today. Of course, there's no telling how many things we've completely forgotten about, so we don't even know to mention it