The Obama campaign has just launched its Eons campaign, including a big ad on the Eons homepage rotation.

For those of you unfamiliar with Eons, it is a social network for people ages 50 and up (I had to lie about my age to join, heheh), founded by Monster.com's founder Jeff Taylor. While many think of social networks as online communities filled with youngsters, Eons clearly breaks the mold. Offering the same type of networking tools and opportunities as MySpace and Facebook, Eons is clearly not your kid's Oldsmobile (does Oldsmobile even exist anymore? Yes, I know it does, but do you remember the last Oldsmobile commercial you saw?).

Add this to Obama's use of Facebook, MySpace, text messaging, and such, and we can see that this campaign is firing in just about all of the digital cylindars. Even John Edwards, who is on something like 30 social networks isn't on Eons, yet. But it is only a matter of time.