Google will be stepping into the world of Word of Mouth (WOM) marketing. This is a big step for the company that has a very large user base to work with. This marketing technique will allow Google to engage in shared endorsements, of which Google is involved in over two million sites. These are viewed by about one billion people per day, which gives the companies a lot of exposure.

Read the full article here:
Google To Give WOM and Buzz Marketing A New Spin. What’s In It For Users? – Forbes