| http://www.w3.org/ns/prov#value | - their shoes.And companies like Nike are using that instant, word-of-mouth communication to their benefit, marketing experts say.When I started in this business back in the `60s, there was no such thing as a blogger, says Michael Carberry, a former advertising executive who is now a marketing professor at American University in Washington.Now, he says, bloggers are a key advertising component:
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