我很早之前看一个纪录片说早期电视剧会播很多肥皂的广告，wiki了一下，还没记错。
The name soap opera stems from the original dramatic serials broadcast on radio that had soap manufacturers, such as Procter & Gamble,Colgate-Palmolive and Lever Brothers, as sponsors and producers.
所以宝洁只是其中之一。
http://en.wikipedia.org/wiki/Soap_opera#cite_note-Bowles-118-0
