Well I agree, but there is a flip side to that which is where you have a number of people on your team who are not carrying their weight and are causing the high fliers to be held back, perhaps even feel complacent as though their contribution isn't worth pushing for if others can slack off. Clearly, hiring the right people to begin with is crucial but standards drop as companies get bigger.

If done right, the myspace approach can be executed correctly with little-to-no culture of fear.. everyone who scored high has nothing to fear (and even rewarded with pay rise) and anyone who has something to fear is (hopefully) kicked out.