Removing any and all deemed inefficiencies in the electronic markets...specifically futures? Long bid/short offer, free look, edge, etc...have been wiped out by all accounts according to the majority of people I have recently spoken to who for the most part were incredibly profitable 5+ years ago. Many successful futures "prop shops" that I knew of in Chicago have closed their doors. Many successful traders that I know have moved on to new ventures or are struggling mightily to continue their trading careers. "The Eurex Flipper" aka "The Worlds Most Successful Trader" aka Paul Rotter has alluded to the lack of opportunity being directly linked to algo's. Have algo's removed an edge from the futures markets? If not, have they made a severe and significant impact on a large percentage of previously profitable traders? Thoughts and opinions are appreciated.