thank you ! i meaned that it was an information only avaible to computer. And thusfar putting their human competitor at a great disadvantage. and you know why ?
This is from today: http://dealbook.blogs.nytimes.com/2009/08/04/sec-to-seek-flash-trading-ban-schumer-says/?hpw They will probably ban it. Really nice GS was stolen their source code and the whole thing gathered public attention
hopefully they will start cracking down on other stuff, you have to admit, this is just the most obvious and least profitable.