What was Google thinking? When the search company launched Buzz a couple of months ago engineers came up with what they thought was a clever way to kick-start the new social-networking service:

      The real power of Twitter isn't in easy mass-marketing, driving a few more links, Diggs, Stumbles, or Sphinns, or even in branding and making a name for yourself.

Social media marketing campaigns are proving to be goldmines rich with customer engagement and insight that companies wouldn’t likely have otherwise