When the Facebook Platform launched, Causes by Project Agape was one of the most widely anticipated new applications. Two months later, it's difficult to argue with its success, with the most popular causes, Save Darfur, bringing in over 300,000 members and $26,000 in contributions.

Now, Project Agape has added Presidential candidate contributions to the mix. You can now start raising money for any of the Presidential candidates through Facebook. Right now, the most popular Cause is centered around Barack Obama (who else?) with over 6,700 members, leaving Hillary Clinton (1,700 members) and Rudy Giuliani (about 1,000 centered in two popular groups) to round out the top three.

The amount contributed isn't overwhelming just yet -- totaling just $359 raised by the top cause for Obama. (The most popular Causes tend to raise about 10 cents per member across the board.) This should grow over time, but one wonders what the mechanism is for driving return traffic given that one can't message to members of a Cause.

I'm told that the Republican side of candidate contributions is being handled by ABC PAC, while Democratic contributions are being processed through ActBlue.