HFT - Flickering Quote Credit: Rebuttal (originally appeared in Nanex)

Quick background - The rebuttal is written by William O'Brien, CEO of DirectEdge (a major stock exchange that has been accused of favoring HFT in the past)

This is a good example of how frustrating some of these debates can be. Some of the arguments are valid on both sides, but they are almost couched in inflammatory language.