The successful promotion of an event often comes down to the invitation. In the fast-paced business world, e-mail has become an important and reliable way to contact prospective attendees.

But given the ubiquity of e-mail, it often takes a bit more to get the attention of a journalist or organization member.

It was certainly the dilemma facing the CMO Council as it tried to promote last year's CMO Summit in San Francisco.

"We needed to make an instant impact and ...