A long lifetime of developing electronic consumer products has taken Ralph Baer from vacuum tube through microprocessor designs. Although the technology has undergone vast changes, the underlying motivation for, and execution of, the process has not changed radically. Baer cites numerous examples of specific product designs that made it all the way through the process to a successful product and draws some conclusions from that experience that shed some light on the continuum of invention, development, and marketing novel product ideas.