=?gb2312?B?s+jO7w==?= <shadouzhidao.TakeThisOut@sina.com> wrote:
>Free advertising
>Perhaps once upon a time, free advertising was an unheard of venture,
No. It is has always been known. The most popular and frequently used
form of free advertising is "word of mouth" or recommendation, like
when I rave to a frind about a restaurant I have visited, that is free
advertising for the said restaurant.
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