Do you know me?” That was the unforgettable phrase that opened a series of classic American Express commercials in the 1970s. In them, people with well-known names but whose faces were not so memorable pitched how that charge card gave them instant “star power.” I don’t know if Neil Armstrong, the first human to set foot on another body in the solar system, had an American Express card, but certainly he fit the profile. His name is arguably one of the most well-known in the world — it will still be in general history textbooks 500 years from now — but he was not identifiable by sight except to a few.
