This data appeared in the Wall Street Journal.
The advertisement were selected by an annual survey conducted by Video Board Tests, Inc.,
a New York ad-testing company,
based on interviews with 20,000 adults who were asked to name the most outstanding TV
commercial they had seen, noticed, and liked.
The retained impressions were based on a survey of 4,000 adults, in which regular product users
were asked to cite a commercial they had seen for that product category in the past week.