"People are quite keen to understand how they can use social media and word-of-mouth because of this opportunity that they see, " she says.

BBC: Should word-of-mouth be child's play for advertisers?

In early digital days, every word processor had its own unique format and because of this, interoperability across applications was poor.

FORBES: Death of The Document

The site relies solely on word of mouth, and gets 500 new users each day because of this.

CNN: Meet you at the gumtree

Because gay is a really stigmatized and polarizing word here in this country and we really need to be respectful of the community.

NPR: Tracking a New Strain of Drug-Resistant Staph

Here was this towering foreigner who knew not a word of his language and insisted on calling him Jimmy because she found his real name difficult to pronounce.

ECONOMIST: Elizabeth Vining