• All Facebook, Wednesday, February 9, 2011 11:26 AM

Facebook is now letting self-serve advertisers publish a new sponsored stories ad format. There are two types of sponsored stories for Facebook page administrators: "Like Stories" and "Page Post Stories." "Both are definitely interesting and I'm sure page administrators will be split testing these types of ads for campaigns beginning immediately in an effort to decrease their fan acquisition costs," writes All Facebook's Nick O'Neill.

The top social network is also now giving page administrators the ability to select which tab they'd like visitors to land on when they click on the ads. Incredibly, Facebook is charging advertisers to recirculate users within its own site. Adds O'Neill: "It's an absolutely genius system that we have discussed many times before, and it's one that I personally have never seen executed so effectively by any large online property."

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