Can’t claim this one for myself I’m afraid, however, Econsultancy’s Kelvin Newman has produced one of the most comprensive and usable guides to making the most out of Facebook’s Edgerank algorithm. Well worth reading.
http://econsultancy.com/uk/blog/7885-edgerank-the-most-important-algorithm-you-ve-never-heard-of?utm_medium=email&utm_source=newsletter