http://www.forbes.com/forbes/2009/0921/revolutionaries-stocks-getco-new-masters-of-wall-street_print.html

http://quant.stackexchange.com/questions/310/how-high-is-the-frequency-in-hft

http://quant.stackexchange.com/questions/3117/what-is-the-impact-of-high-frequency-trading-on-market-depth-liquidity-and-vol

http://quant.stackexchange.com/questions/3446/hft-how-to-define-and-measure-latency

Barbarians at the Gateways - http://queue.acm.org/detail.cfm?ref=rss&id=2536492

Online Algorithms in High-frequency Trading - http://queue.acm.org/detail.cfm?id=2534976