This is the story of the Tandy 1000. Tandy/RadioShack stumbled into a huge success with a PC clone that "sold like hotcakes" and expanded sound and video cap...
“the year was, 1984… we know you came to learn about a computer, but we’re going to spend five minutes telling you what commercials were on TV at the time, what songs were popular, and what movies were out”
This is anti engagement: