When did Horizon Season 30 Episode 7 air?
Horizon Season 30 Episode 7 aired on February 15, 1993.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon investigates how market research, opinion polls, TV ratings, and consumer surveys have got it disastrously wrong. Commercial decisions depend increasingly on this information, but just how good is that information?
Direct answers for episode-level questions and details.
Horizon Season 30 Episode 7 aired on February 15, 1993.
This episode runs for approximately 60 minutes.
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