Following is a transcript of the video. Announcer: Wouldn't you rather spend your evening in a waterbed? For a limited time, $189.99. Girl: Daddy, can I have a waterbed? Please, Daddy, can I have ...

After dropping out of fashion in the 1990s, the humble waterbed seemed to vanish entirely. So where did waterbeds go? Why did they disappear from the mainstream market? And should these once ...