I'd argue that this class _does_ provide tangible economic benefits. Unfortunately, there are some folks at the margin who don't. The difficulty is in drawi

I'd argue that this class _does_ provide tangible economic benefits. Unfortunately, there are some folks at the margin who don't. The difficulty is in drawing that line. Apart from the liquidity, the large algorithmic firms have traditionally spent like crazy on computing. It was this hardware spend that allowed Sun to pursue a strategy where most of their software was open source. Has Wall Street harmed you more than having freely available Java, Solaris forks, and ZFS have helped?