20. In 1980 most of all advertising was
disseminated by the advertisers
themselves; today a good part of that
advertising is being disseminated by users.
「1980年頃はほぼ全ての広告が広告主自身によって広められていた。
しかし今日では広告が消費者によって広められている」
Richard Cleland, assistant director, division of advertising
practices at the FTC from AdAge,Oct 09 ‒ 2009