|Visible Invisible Knapsack|
By the way, I don't get the Invisible Knapsack metaphor. I assumed it was saying that blacks were weighted down by invisible knapsacks on their backs (just think of how high LeBron could jump without that invisible knapsack holding him down). But, my assumption appears to be backward -- the invisible knapsack instead lifts whites people up because it contains an anti-gravity device. Or something. To be honest, I'm not really clear on the concept. But, whatever it is, it seems to be popular.