Since Facebook is a natural place where "friends" talk about politics, the Insights tool "will offer an interactive, real-time glimpse into how and where this conversation is taking place across the country," added Elliot Schrage, Facebook's Vice President-Corporate Communications & Public Policy.

Election Insights isn't CNN's first pairing with Facebook on an election vehicle. Earlier this summer, it created the that enables Facebook users to commit to voting, endorse specific candidates and positions and compare their choices with those of their friends.

In addition to its Facebook efforts, in the past, CNN has launched that allowed political junkies to follow election results in real time.

While candidates are attempting to flog the social networks for votes, the effectiveness of those efforts has yet to be determined.