литература и жизнь
"By the token booth there (the subway at Fiftieth Street - clement@lj) was a little sign: 'Courtesy is contagios, let's start an epidemic.' I imagined that everywhere people's faces were being replaced by lifesize have-a-nice-day yellow smile buttons, like in Rhinoceros, where all the characters turned into rhinoceros."

-- David B. Feinberg "Spontaneous Combustion" (1991)

Несколько месяцев назад именно так - с людьми, чьи головы были заменены желтыми эмотиконами - рекламировался новый вид услуг Yahoo - Yahoo Messenger.