How HFT caused the Facebook IPO opening delay

Hey man, HFT provides a valuable service as a market-maker and enhances liquidity and blah blah blah HFT is perfect and anyone who disagrees just doesn't understand these complicated systems blah blah blah computers selling stocks to other computers is somehow a valuable service.

There, I just summarized the entire spate of pro-HFT propaganda that's about to come pouring in to this thread.