WOM: word of mouth still the best advertising available?

See more on this report here: Brand Autopsy:

In this study, Word-of-Mouth ranked as the most influential marketing medium. The 'Top Ten' most influential marketing mediums, regardless of demographic age group, include:

1 | Word-of-Mouth
2 | TV
3 | Coupons
4 | Newspaper Inserts
5 | Read Article
6 | Direct Mail
7 | Magazines
8 | In-store Promotion
9 | Cable TV
10| Online Advertising

more proof that the best kind of advertising for most businesses is still the conversation

media release of researchers here